import sys


def solve(iterator):
    A = int(next(iterator))
    B = int(next(iterator))
    SX = int(next(iterator))
    SY = int(next(iterator))
    TX = int(next(iterator))
    TY = int(next(iterator))

    SX = SX // A
    SY = SY // B
    TX = TX // A
    TY = TY // B

    print(abs(TX - SX) + abs(TY - SY))


def main():
    input_data = sys.stdin.read().split()
    if not input_data:
        return
    iterator = iter(input_data)

    TESTCASES = int(next(iterator))
    for _ in range(TESTCASES):
        solve(iterator)


if __name__ == "__main__":
    main()