#include <iostream>
using namespace std;

int main() {
    int t;
    cin >> t;

    while (t--) {
        int a, b;
        cin >> a >> b;

        int diff = b - a;
        
        // Calculate the number of operations needed
        int requiredMul = 0;
        int requiredAdd = 0;

        while (b >= a*2) {
            a=a*2;
            requiredMul++;
            diff=b-a;
            
           
        }
         requiredAdd=diff; // Add remaining difference to requiredAdd

        cout << requiredMul + requiredAdd << endl;

       
    }

    return 0;
}