#include <iostream>
using namespace std;

int minOperations(long long a, long long b) {
    int operations = 0;
    while (a < b) {
        if (b % 2 == 0 && b / 2 >= a) {
            b /= 2;
        } else {
            b--;
        }
        operations++;
    }
    return operations;
}

int main() {
    int t;
    cin >> t;
    while (t--) {
        long long a, b;
        cin >> a >> b;
        cout << minOperations(a, b) << endl;
    }
    return 0;
}