#include<bits/stdc++.h>
#define faster ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define endl '\n'
#define ll long long int
using namespace std;

void solution();

int main() {
    faster
    int t = 1;
    cin >> t;
    while (t--) {
        solution();
    }
}

void solution() {
    int x, y;
    cin >> x >> y;
    int op = 0;
    if(x==y)
        cout << 0 << endl;
    else if(y%2==0){
        while (x!=y) {
        x=x*2;
        op++;
       }
       cout << op << endl;
    }
    else{
        cout << y/2 << endl;

    }
}