Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 1000:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h) or ([dices[d1].v[2], dices[d1].v[1], dices[d1].v[0], dices[d1].v[3]] == [dices[d2].v[2], dices[d2].v[1], dices[d2].v[0], dices[d2].v[3]] and [dices[d1].h[2], dices[d1].h[1], dices[d1].h[0], dices[d1].h[3]] == [dices[d2].h[2], dices[d2].h[1], dices[d2].h[0], dices[d2].h[3]]):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 100:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 1000:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h) or ([dices[d1].v[2], dices[d1].v[1], dices[d1].v[0], dices[d1].v[3]] == [dices[d2].v[2], dices[d2].v[1], dices[d2].v[0], dices[d2].v[3]] and [dices[d1].h[2], dices[d1].h[1], dices[d1].h[0], dices[d1].h[3]] == [dices[d2].h[2], dices[d2].h[1], dices[d2].h[0], dices[d2].h[3]]):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 100:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 64:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 40:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Runtime Error):
class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 24:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 30:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 28:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if (dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h) or ([dices[d1].v[2], dices[d1].v[1], dices[d1].v[0], dices[d1].v[3]] == [dices[d2].v[2], dices[d2].v[1], dices[d2].v[0], dices[d2].v[3]] and [dices[d1].h[2], dices[d1].h[1], dices[d1].h[0], dices[d1].h[3]] == [dices[d2].h[2], dices[d2].h[1], dices[d2].h[0], dices[d2].h[3]]):
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')

Buggy python submission (verdict: Time Limit Exceeded):
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            d1 = 0
            while d1 < d2 and match == 0:
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
                d1 += 1
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')



Fixed submission:
# Dice I - IV

class Dice:
    def __init__(self, a1, a2, a3, a4, a5, a6):
        # サイコロを縦横にたどると書いてある数字(index1は真上、index3は真下の数字)
        self.face = [a1, a2, a3, a4, a5, a6]
        self.v = [a5, a1, a2, a6] # 縦方向
        self.h = [a4, a1, a3, a6] # 横方向
        self.det = 1
        # print(self.v, self.h)

    # サイコロの上面の数字を表示
    def top(self):
        return self.v[1]

    # サイコロを北方向に倒す
    def north(self):
        newV = [self.v[1], self.v[2], self.v[3], self.v[0]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを南方向に倒す
    def south(self):
        newV = [self.v[3], self.v[0], self.v[1], self.v[2]]
        self.v = newV
        self.h[1] = self.v[1]
        self.h[3] = self.v[3]
        return self.v, self.h

    # サイコロを東方向に倒す
    def east(self):
        newH = [self.h[3], self.h[0], self.h[1], self.h[2]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    # サイコロを西方向に倒す
    def west(self):
        newH = [self.h[1], self.h[2], self.h[3], self.h[0]]
        self.h = newH
        self.v[1] = self.h[1]
        self.v[3] = self.h[3]
        return self.v, self.h

    def searchFace(self, a):
        b = 0
        for i in range(6):
            if a == self.face[i]:
                # print('一致しました')
                b = i + 1
        return b

    def detJudge(self, x): # a は 1 から 6 のどれか
        y = int(7 / 2 - abs(x - 7 / 2))
        if x != y:
            self.det *= -1
        # print(self.det)
        return y

    def rightSide(self, top, front):
        r = 0
        if top == 1 and front == 2:
            r = 3
        elif top == 2 and front == 3:
            r = 1
        elif top == 3 and front == 1:
            r = 2
        elif top == 1 and front == 3:
            r = 5
        elif top == 3 and front == 2:
            r = 6
        elif top == 2 and front == 1:
            r = 4
        if self.det == -1:
            r = 7 - r
        return r

diceAmount = int(input())
dices = []
for i in range(diceAmount):
    d = [int(j) for j in input().rstrip().split()]
    dice = Dice(d[0], d[1], d[2], d[3], d[4], d[5])
    dices.append(dice)
# print(dices)

# Dice I
# command = list(input().rstrip())
# print(command)

# Dice II
# for i, a in enumerate(command):
#     if a == 'N':
#         dice1.north()
#     elif a == 'S':
#         dice1.south()
#     elif a == 'E':
#         dice1.east()
#     elif a == 'W':
#         dice1.west()
# print(dice1.top())
# questionAmount = int(input())
# for i in range(questionAmount):
    # # Initialize det
    # dice1.det = 1
    # question = [int(i) for i in input().rstrip().split()]
    # a = dice1.searchFace(question[0])
    # b = dice1.searchFace(question[1])
    # # print(a, b)
    # top = dice1.detJudge(a)
    # front = dice1.detJudge(b)
    # # print(top, front)
    # position = dice1.rightSide(top, front)
    # answer = dice1.face[position - 1]
    # print(answer)

# Dice III
# import random
# # print(dice1.face)
# # print(dice2.face)
# yesCount = 0
# i = 0
# while yesCount == 0 and i < 1000:
    # j = random.randint(0, 3)
    # if j == 0:
        # dice2.north()
    # elif j == 1:
        # dice2.south()
    # elif j == 2:
        # dice2.east()
    # elif j == 3:
        # dice2.west()
    # if (dice1.v == dice2.v and dice1.h == dice2.h) or ([dice1.v[2], dice1.v[1], dice1.v[0], dice1.v[3]] == [dice2.v[2], dice2.v[1], dice2.v[0], dice2.v[3]] and [dice1.h[2], dice1.h[1], dice1.h[0], dice1.h[3]] == [dice2.h[2], dice2.h[1], dice2.h[0], dice2.h[3]]):
        # yesCount += 1
        # # print('一致')
    # i += 1
# if yesCount >= 1:
    # print('Yes')
# else:
    # print('No')

# Dice IV
import random
match = 0
diceCount = 1
while match == 0 and diceCount < diceAmount:
    for d2 in range(1, diceAmount):
        # print(d2)
        i = 0
        while match == 0 and i < 27:
            j = random.randint(0, 3)
            if j == 0:
                dices[d2].north()
            elif j == 1:
                dices[d2].south()
            elif j == 2:
                dices[d2].east()
            elif j == 3:
                dices[d2].west()
            for d1 in range(d2):
                if dices[d1].v == dices[d2].v and dices[d1].h == dices[d2].h:
                    match += 1
                    # print('一致')
            i += 1
    diceCount += 1
if match >= 1:
    print('No')
else:
    print('Yes')