#include <iostream>
using namespace std;
int main()
{
    int t;
	cin>>t;
	for(int i=1;i<=t;i++)
	{
		int A,B;
		cin>>A>>B;  //A<=B
		int count =0;
		while (A<B)
		{
			A=A*2;
			count++;
		}
		cout << count << endl;
    
	}
}