#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    int t;
    cin >> t;
    while (t--) {
        ll a, b, sx, sy, tx, ty;
        cin >> a >> b >> sx >> sy >> tx >> ty;
        sx += 1e8 * a;
        tx += 1e8 * a;
        sy += 1e8 * b;
        ty += 1e8 * b;
        cout << abs(sx / a - tx / a) + abs(sy / b - ty / b) << endl;
    }
    return 0;
}