2439.java

import java.io.BufferedReader;
import java.io.InputStreamReader;

/**
* http://coj.uci.cu/24h/problem.xhtml?abb=2439
*
* Problem number: 2439
*
* @author Guido J. Celada (celadaguido@gmail.com)
**/
public class Main {

	static BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
	
	public static void main(String[] args) throws Exception{
		
		int n = Integer.parseInt(in.readLine()); 
		String readed;
		String[] readedArray;
		int L;
		int max;
		double result;
		int iteration;
		
		for(int i = 0; i < n; i++){			
			readed = in.readLine();
			readedArray = readed.split(" "); 
			
			L = Integer.parseInt(readedArray[0]);
			max = Integer.parseInt(readedArray[1]);
			result = -1;
			iteration = 0;
			double aux;
			
			if(L <= max){
				iteration++;
				result = L;
				while (result <= max){
					aux = 1;
					for(int j = 0; j < iteration; j++){
						aux = aux/3;
					}
					result = (L * aux * Math.pow(5, iteration));
					iteration++;
				}
			}

			System.out.println(iteration-2);
		}
		
		
	}

}