#include <bits/stdc++.h>
#define ull unsigned ll
#define ll long long
#define ld long double
#define INFL (ll)3e18
#define INF (int)2e9
#define MOD (ll)998244353
#define MODO (ll)(1e9+7)
using namespace std;

template<typename T>istream&operator>>(istream&is,vector<T>&v);
template<typename... Ts>istream&operator>>(istream&is,tuple<Ts...>& t);
template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.first>>p.second;return is;}
template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}
template<typename... Ts>istream& operator>>(istream& is, tuple<Ts...>& t) {apply([&](auto&... args) {((is >> args), ...);},t);return is;}

int main(void){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int q;
    cin >> q;
    while(q--){
        ll a,b,sx,sy,tx,ty;
        cin >> a >> b >> sx >> sy >> tx >> ty;
        if(sx > tx) swap(sx,tx);
        if(sy > ty) swap(sy,ty);
        if(sx < 0){
            ll ad = (-sx+a-1)/a*a;
            sx += ad,tx += ad;
        }
        if(sy < 0){
            ll ad = (-sy+b-1)/b*b;
            sy += ad,ty += ad;
        }
        //cout << sx << " " << tx << " " << sy << " " << ty << endl;
        sx++,sy++;
        sx = (sx+a-1)/a;
        sy = (sy+b-1)/b;
        tx /= a;
        ty /= b;
        //cout << sx << " " << tx << " " << sy << " " << ty << endl;
        cout << tx-sx+ty-sy+2 << endl;
    }
}