# https://github.com/robe2222555/atcoder-lib/blob/main/template/python/main.py
import sys
input = lambda: sys.stdin.readline().rstrip()
def LI(): return list(map(int, input().split()))
def II(): return int(input())
INF = 1<<60

def solve():
	A,B,sx,sy,tx,ty = LI()
	sx += A*(10**8)
	sy += B*(10**8)
	tx += A*(10**8)
	ty += B*(10**8)
	
	sx -= sx%A
	sy -= sy%B
	tx -= tx%A
	ty -= ty%B

	print(abs(sx-tx)//A + abs(sy-ty)//B)

	return


def main():
	T = II()
	for _ in range(T):
		solve()
	return


if __name__ == '__main__':
	main()