import java.io.FileInputStream;
import java.util.HashMap;
import java.util.Scanner;
import java.util.TreeSet;

// Recycled Numbers
// https://code.google.com/codejam/contest/1460488/dashboard#s=p2

public class C {

	private static String process(Scanner in) {
		int A = in.nextInt();
		int B = in.nextInt();
		int res = 0;
		int len = Integer.toString(A).length();
		for(int n = A; n < B; n++) {
			String str = Integer.toString(n);
			TreeSet<Integer> set = new TreeSet<Integer>();
			for(int i = 1; i < len; i++) {
				int m = Integer.parseInt(str.substring(i, len) + str.substring(0, i));
				if ( m > n && m <= B && ! set.contains(m) ) {
					set.add(m);
					res++;
				}
			}
		}
		return Integer.toString(res);
	}

	public static void main(String[] args) throws Exception {
		Scanner in = new Scanner(System.in.available() > 0 ? System.in : 
			new FileInputStream(Thread.currentThread().getStackTrace()[1].getClassName() + ".practice.in"));
		int T = in.nextInt();
		for(int i = 1; i <= T; i++) 
			System.out.format("Case #%d: %s\n", i, process(in));
	}
}

package com.jp.common;

import com.codejam.two12.tongue.Googlerese;

public class ExecutorApp {
  
  /**
   * @param args
   */
  public static void main(String[] args) {
    // TODO Auto-generated method stub
  //String inputFileName = "/Users/joekumar/Documents/workspace/CodeJam/src/com/jp/data/sample_input.txt";
  // String outputFileName = "/Users/joekumar/Documents/workspace/CodeJam/src/com/jp/data/sample_output.txt";
    String inputFileName = "/Users/joekumar/Downloads/C-small-attempt0 (1).in";
    String outputFileName = "/Users/joekumar/Desktop/output/sample_output.txt";
    InputOutputProcessor inputOutputProcessor = new InputOutputProcessor();
    inputOutputProcessor.initializeInput(inputFileName);
    int numberOfCases = inputOutputProcessor.getNumberOfCases();
    
    String[] resultArray = new String[numberOfCases];
    inputOutputProcessor.setDoesInputHaveDataSetLines(false);
    inputOutputProcessor.setNumberOfDataSetLines(1);
    
    
  //  Googlerese.init();
    
    for (int i = 1; i <= numberOfCases; i++) {
      
      try {
        String[] dataSet = inputOutputProcessor.getDataSet();
       
       /* BotTrust botTrust = new BotTrust();
       int result =  botTrust.findRequiredSeconds(dataSet);
       String resultCase = "Case #"+ i + ": "+ result;
       resultArray[i-1] = resultCase;
       System.out.println(resultCase);*/
        Puzzle puzzle = PuzzleFactory.getPuzzleSolution("RecycledNumbers");
        String[] result = puzzle.solve(dataSet);
        String resultCase = "Case #"+ i + ": "+ result[0] ;
        System.out.println(resultCase);
        resultArray[i-1] = resultCase;
        
      }
      
      catch (Exception exp) {
        exp.printStackTrace();
        inputOutputProcessor.closeScanner();
      }
      
    }
    
    inputOutputProcessor.closeScanner();
    inputOutputProcessor.writeOutput(outputFileName, resultArray);
   
  }
  
}
