#include <bits/stdc++.h>
#define ll long long
#define F first
#define S second
#define endl '\n'
#define Endl '\n'

using namespace std;

const int N = 2e5 + 5;
int tc, n, m, a[N];

int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); // cout.tie(0);
    cin >> tc;
    while (tc--) {
        int x, y;
        cin >> x >> y;
        int Ans = 0;
        while (y > x) {
            if (y % 2 == 0) {
                if (y / 2 >= x) {
                    y /= 2;
                } else {
                    Ans += y - x;
                    break;
                }
            } else {
                --y;
            }
            ++Ans;
        }
        cout << Ans << endl;
    }

    return 0;
}