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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int T; cin >> T;
    while(T--){
        long long x,x2,y,y2; cin >> x >> y >> x2 >> y2;
        long long add = y+y2-min(y,y2)*2,answer = 4e18;
        y = max(y,y2);
        if(y >= 60){cout << add << "\n"; continue;}
        while(y <= 60){
            long long l = x>>y,r = x2>>y;
            answer = min(answer,r-l+add);
            y++,add += 2;
        }
        cout << answer << "\n";
    }
}