#include<bits/stdc++.h>

using namespace std;

int main() {
    int t;
    cin>>t;
    while (t--){
        int a,b;
        cin>>a>>b;
        int count=0;
        while (a!=b){
            if (a*2<=b){
                a=a*2;
                count++;
            }
            else{
                a++;
                count++;
            }
        }
        cout<<count<<endl;
    }

}