#include <iostream>
using namespace std;

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

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