Buggy python submission (verdict: Runtime Error):
H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
delta = dict([(i, 0) for i in range(1, D+1)])
for d in range(D+1, H*W):
    delta[d] = delta[d-D] + abs(board[d][0] - board[d-D][0]) + abs(board[d][1] - board[d-D][1])

Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [delta[LR[1]] - delta[LR[0]] for LR in LRs]

for r in result:
    print(r)


Fixed submission:
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [board[r] for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        print(s,t)
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
delta = dict([(i, 0) for i in range(1, D+1)])
for d in range(D+1, H*W+1):
    delta[d] = delta[d-D] + abs(board[d][0] - board[d-D][0]) + abs(board[d][1] - board[d-D][1])

Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [delta[LR[1]] - delta[LR[0]] for LR in LRs]

for r in result:
    print(r)

Buggy python submission (verdict: Time Limit Exceeded):
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [board[r] for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [telepo_test(LR[0], LR[1], D, board) for LR in LRs]

for r in result:
    print(r)


Fixed submission:
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [board[r] for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        print(s,t)
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
delta = dict([(i, 0) for i in range(1, D+1)])
for d in range(D+1, H*W+1):
    delta[d] = delta[d-D] + abs(board[d][0] - board[d-D][0]) + abs(board[d][1] - board[d-D][1])

Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [delta[LR[1]] - delta[LR[0]] for LR in LRs]

for r in result:
    print(r)

Buggy python submission (verdict: Time Limit Exceeded):
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [get_coordinate(r, board) for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


def get_coordinate(n, board):
    for c, r in enumerate(board):
        if n not in r:
            continue
        return (c, r.index(n))
    else:
        return None


H, W, D = tuple(map(int, input().split()))
board = [tuple(map(int, input().split())) for _ in range(H)]
Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]

result = [telepo_test(LR[0], LR[1], D, board) for LR in LRs]
for r in result:
    print(r)

Fixed submission:
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [board[r] for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        print(s,t)
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
delta = dict([(i, 0) for i in range(1, D+1)])
for d in range(D+1, H*W+1):
    delta[d] = delta[d-D] + abs(board[d][0] - board[d-D][0]) + abs(board[d][1] - board[d-D][1])

Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [delta[LR[1]] - delta[LR[0]] for LR in LRs]

for r in result:
    print(r)

Buggy python submission (verdict: Time Limit Exceeded):
def telepo_test(start, goal, delta, board):
    c_s = get_coordinate(start, board)
    c_g = get_coordinate(goal, board)

    mp = 0
    while c_s != c_g:
        target = board[c_s[0]][c_s[1]] + delta
        c_t = get_coordinate(target, board)
        mp += abs(c_t[0] - c_s[0]) + abs(c_t[1] - c_s[1])
        c_s = c_t
    return mp


def get_coordinate(n, board):
    for c, r in enumerate(board):
        if n not in r:
            continue
        return (c, r.index(n))
    else:
        return None


H, W, D = tuple(map(int, input().split()))
board = [tuple(map(int, input().split())) for _ in range(H)]
Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [telepo_test(LR[0], LR[1], D, board) for LR in LRs]
for r in result:
    print(r)

Fixed submission:
def telepo_test(start, goal, delta, board):
    route = [start + delta * i for i in range(abs(goal - start) // abs(delta) + 1)]
    route = [board[r] for r in route]

    mp = 0
    for s, t in zip(route[:-1], route[1:]):
        print(s,t)
        mp += abs(t[0] - s[0]) + abs(t[1] - s[1])
    return mp


H, W, D = tuple(map(int, input().split()))
board = dict()
for h in range(H):
    row = tuple(map(int, input().split()))
    for w in range(W):
        board[row[w]] = (h, w)
delta = dict([(i, 0) for i in range(1, D+1)])
for d in range(D+1, H*W+1):
    delta[d] = delta[d-D] + abs(board[d][0] - board[d-D][0]) + abs(board[d][1] - board[d-D][1])

Q = int(input())

LRs = [tuple(map(int, input().split())) for _ in range(Q)]
result = [delta[LR[1]] - delta[LR[0]] for LR in LRs]

for r in result:
    print(r)