/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

import java.io.File;
import java.io.FileInputStream;
import java.util.Scanner;

/**
 *
 * @author imgps
 */
public class C {
    public static void main(String args[]) throws Exception{
        int A,B;
        int ctr = 0;
        int testCases;
        
        Scanner sc = new Scanner(new FileInputStream("C-small-attempt0.in "));
        testCases = sc.nextInt();
        int input[][] = new int[testCases][2];
        for(int i=0;i<testCases;i++)
        {
          //  System.out.print("Enter input A B: ");
            input[i][0] = sc.nextInt();
            input[i][1] = sc.nextInt();
            
        }
  

for(int k=0;k<testCases;k++){
      ctr = 0;
      A = input[k][0];
      B = input[k][1];
        for(int i = A;i<=B;i++){
            int num = i;
            int nMul = 1;
            int mul = 1; 
            int tnum = num/10;
            while(tnum > 0){
                mul = mul *10;
                tnum= tnum/10;
            }
            tnum = num;
            int n = 0;
            while(tnum > 0 && mul >= 10){
                nMul = nMul * 10;
                n = (num % nMul) * mul + (num / nMul);
                mul = mul / 10;
                tnum = tnum / 10;
                for(int m=num;m<=B;m++){
                    
                    if(n == m && m > num){
                        ctr++;
                    }
                }
                
                
                
         
            }
        }
        System.out.println("Case #"+(k+1)+": "+ctr);
        
    }
    }
}

import java.io.IOException;
import java.util.*;

/**
 * Date: 14/4/12
 * Time: 2:02 PM
 */
public class ProblemC {

    public static void main(String[] args) throws IOException {
        long start = System.currentTimeMillis();
        ArrayList<String> al = GoogleFileStream.getInput();
        ArrayList<String> ret = new ArrayList<String>();

        for( String i : al )
            ret.add( solution( i ) );


        long end = System.currentTimeMillis();
        System.out.println( "Time: " + (end - start) + "ms" );
        GoogleFileStream.setOutput(ret);
    }

    private static String solution(String in) {
        ArrayList<String> input = new ArrayList<String>(Arrays.asList(in.split(" ")));
        int A = Integer.valueOf( input.get(0) );
        int B = Integer.valueOf( input.get(1) );

        int count = 0;
        Set<Integer> dupeSet = new HashSet<Integer>();
        for( int i = A; i <= B; i++)
        {
            String is = String.valueOf(i);
            char[] c = is.toCharArray();

            System.out.print(i);
            System.out.print(":");
            dupeSet.clear();
            for( int j = 1; j < c.length; j++)
            {
                //rotate:
                char lastChar = c[c.length-1];
                System.arraycopy(c,0,c,1,c.length - 1);
                c[0]=lastChar;

                int num = Integer.valueOf(new String(c));
                if(i < num && num <= B)
                {
                    if( dupeSet.add(num) )
                    {
                        // (n,m) = (i, c)
                        count++;
                        System.out.print(num);
                        System.out.print(",");
                    }
                }
            }
            System.out.println();
        }

        return String.valueOf(count);
    }
}