#include<bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int q;
    cin >> q;
    constexpr ll inf = 1'000'000'000;
    while(q--){
        ll a, b, x0, y0, x1, y1;
        cin >> a >> b >> x0 >> y0 >> x1 >> y1;
        ll xofs = (inf / a) * a, yofs = (inf / b) * b;
        x0 += xofs;
        x1 += xofs;
        y0 += yofs;
        y1 += yofs;
        x0 /= a, x1 /= a, y0 /= b, y1 /= b;
        cout << abs(x0 - x1) + abs(y0 - y1) << '\n';
    }
}