#include <bits/stdc++.h>
#include <atcoder/all>

using namespace std;
using ll = long long;
#define rep(i, s, t) for (ll i = s; i < (ll)(t); i++)
#define all(x) begin(x), end(x)
template <class T> bool chmin(T& x, T y) {
	return x > y ? (x = y, true) : false;
}
template <class T> bool chmax(T& x, T y) {
	return x < y ? (x = y, true) : false;
}

void solve() {
	auto safe_div = [](ll x, ll a) {
		if (x >= 0) return x / a;
		return -((-x - 1) / a) - 1;
	};
	ll a, b, sx, sy, tx, ty;
	cin >> a >> b >> sx >> sy >> tx >> ty;
	sx = safe_div(sx, a);
	sy = safe_div(sy, b);
	tx = safe_div(tx, a);
	ty = safe_div(ty, b);
	cout << abs(sx - tx) + abs(sy - ty) << '\n';
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cout << fixed << setprecision(15);
	int t = 1;
	cin >> t;
	while (t--) solve();
}