//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
#define all(a) (a).begin(), (a).end()
using ll = long long;
const ll INF32 = 2e9;
const ll INF64 = 4e18;

void printYN(bool ok){
    if(ok)cout << "Yes" << endl;
    else cout << "No" << endl;
    return;
}

void solve() {
    ll Sx, Sy, Tx, Ty;
    cin >> Sx >> Sy >> Tx >> Ty;
    if(max(Sy, Ty)>60){
        cout << abs(Sy-Ty) << endl;
        return;
    }
    ll ans = INF64;
    for(ll y = max(Sy, Ty); y <= 60; y++){
        ans =min(ans, 2*y-Sy-Ty+abs(
            Tx/(1LL<<y)-Sx/(1LL<<y)
        ));
    }
    cout << ans << endl;
    return;
}

int main() {
    int T;
    cin >> T;
    rep(i, T)solve();
    return 0;
}