Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        if str(int(R)-D) in cost:
            cost[R] = costs + cost[str(int(R)-D)]
            return cost[R]
        else:
            cost[R] = costs + calcost(str(int(R)-D))
            return cost[R]

for n in range(D+1,H*W+1):
    calcost(str(n))

Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
result ={}
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        if str(int(R)-D) in cost:
            cost[R] = costs + cost[str(int(R)-D)]
            return cost[R]
        else:
            cost[R] = costs + calcost(str(int(R)-D))
            return cost[R]

for n in range(D+1,H*W+1):
    calcost(str(n))

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
cost ={}
dict[0] = 0
def calcost(L,R,D):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        if str(int(R)-D) in cost:
            cost[R] = costs + cost[str(int(R)-D)]
            return cost[R]
        else:
            cost[R] = costs + calcost(L,str(int(R)-D),D)
            return cost[R]

for n in range(D+1,H*W+1):
    calcost(str(1),str(n),D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
cost ={}

def calcost(L,R,D):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        if str(int(R)-D) in cost:
            cost[R] = costs + cost[str(int(R)-D)]
            return cost[R]
        else:
            cost[R] = costs + calcost(L,str(int(R)-D),D)
            return cost[R]

for n in range(D+1,H*W+1):
    calcost(str(1),str(n),D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
cost ={}

def calcost(L,R,D):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        if str(int(R)-D) in cost:
            cost[R] = costs + cost[str(int(R)-D)]
            return cost[R]
        else:
            cost[R] = costs + calcost(L,str(int(R)-D),D)
            return cost[R]

for n in range(D+1,H*W+1):
    calcost(str(1),str(n),D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])
print(cost)

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
cost ={}
def calcost(L,R,D):
    if int(R)<D:
        cost[R]=0
        return 0
    elif (int(R)-int(L))<D:
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        cost[R] = costs
        return costs + calcost(L,str(int(R)-D),D)

for n in range(1,H*W):
    calcost(str(1),str(n),D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
cost ={}
def calcost(L,R,D):
    if int(R)<D:
        cost[R]=0
        return 0
    elif (int(R)-int(L))<D:
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        cost[R] = costs
        return costs + calcost(L,str(int(R)-D),D)

for n in range(1,H*W):
    calcost(1,n,D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = cost[tmp[1]]-cost[tmp[0]]
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)
result ={}
def calcost(L,R,D):
    if int(R)<D or (int(R)-int(L))<D:
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        search_w = L +' '+str(int(R)-D)
        if search_w in result:
            return costs + result[search_w]
        else:
            return costs + calcost(L,str(int(R)-D),D)

Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = calcost(tmp[0],tmp[1],D)
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)

def calcost(L,R,D):
    if int(R)<D or (int(R)-int(L))<D:
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        return costs + calcost(L,str(int(R)-D),D)

cost = {}
result ={}
Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = calcost(tmp[0],tmp[1],D)
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dict[tmp[d]] = str(i)+' '+str(d)

def calcost(L,R,D):
    if int(R)<=D or (int(R)-int(L))<D:
        return 0
    else:
        posi1 = dict[R].split()
        posi2 = dict[str(int(R)-D)].split()
        costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        return costs + calcost(L,str(int(R)-D),D)

cost = {}
result ={}
Q = int(input())
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        result[tmpx] = calcost(tmp[0],tmp[1],D)
        print(result[tmpx])

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Runtime Error):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict = {}
for i in range(H):
    tmp = input().split()
    list[i] =tmp
    for d in range(W):
        dict[list[i][d]] = str(i)+' '+str(d)
cost = {}

def calcost(L,R,D):
    if int(R)<=D or (int(R)-int(L))<D:
        return 0
    else:
        if str(int(R)-D) in cost:
            return cost[str(int(R)-D)] + calcost(L,str(int(R)-D),D)
        else:
            posi1 = dict[R].split()
            posi2 = dict[str(int(R)-D)].split()
            costs = abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
            cost[str(int(R)-D)] = costs
            return costs + calcost(L,str(int(R)-D),D)

Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(calcost(tmp[0],tmp[1],D))

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Time Limit Exceeded):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict ={}
for i in range(H):
    tmp = input().split()
    list[i] =tmp
    for d in range(W):
        dict[list[i][d]] = str(i)+' '+str(d)

Q = int(input())
result = {}
for j in range(Q):
    tmpx = input()
    if tmpx in result:
        print(result[tmpx])
    else:
        tmp = tmpx.split()
        sum = 0
        Lj = int(tmp[0])
        Rj = int(tmp[1])
        count = int((Rj-Lj)/D)
        for k in range(count):
            posi1 = dict[str(Lj+D*k)].split()
            posi2 = dict[str(Lj+D*(k+1))].split()
            sum += abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
        print(sum)
        result[tmpx] = sum

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))

Buggy python submission (verdict: Time Limit Exceeded):
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dict ={}
for i in range(H):
    tmp = input().split()
    list[i] =tmp
    for d in range(W):
        dict[list[i][d]] = str(i)+' '+str(d)

Q = int(input())

test = [[0 for x in range(2)] for y in range(Q)]
for j in range(Q):
    tmp = input().split()
    sum = 0
    Lj = int(tmp[0])
    Rj = int(tmp[1])
    count = int((Rj-Lj)/D)
    for k in range(count):
        posi1 = dict[str(Lj+D*k)].split()
        posi2 = dict[str(Lj+D*(k+1))].split()
        sum += abs(int(posi2[0])-int(posi1[0])) + abs(int(posi2[1])-int(posi1[1]))
    print(sum)

Fixed submission:
tmp =input().split()
H,W,D=int(tmp[0]),int(tmp[1]),int(tmp[2])

list = [[0 for x in range(W)] for y in range(H)]
dictx ={}
dicty ={}
for i in range(H):
    tmp = input().split()
    for d in range(W):
        dictx[tmp[d]] = i
        dicty[tmp[d]] = d
cost ={}
def calcost(R):
    if int(R)<=D:
        cost[R] = 0
        return 0
    else:
        costs = abs(dictx[R]-dictx[str(int(R)-D)]) + abs(dicty[R]-dicty[str(int(R)-D)])
        cost[R] = costs + cost[str(int(R)-D)]
        return cost[R]

for n in range(1,H*W+1):
    calcost(str(n))
Q = int(input())
for j in range(Q):
    tmp = input().split()
    print(str(cost[tmp[1]]-cost[tmp[0]]))