/*
 * 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.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class RecycledNumbers {
	
	public static void main(String args[]){
		RecycledNumbers r= new RecycledNumbers();
		r.convert(args[0]);
	}
	

	public void convert(String filename){
		try{
		File f= new File(filename);
		Scanner scan= new Scanner(f);
	   String firstLine= scan.nextLine();
	   int num= Integer.parseInt(firstLine);
	   int[] answer= new int[num];
	   int[][] testnum= new int[num][2];
	   
	   for(int i=0; i<num;i++){
		   int count= 0;
		String line= scan.nextLine();	
		String[] array = line.split(" ");
		 int[] pair= new int[]{Integer.parseInt(array[0]), Integer.parseInt(array[1])};
		 testnum[i]= pair;
		 
		 for (int k=pair[0];k<=pair[1];k++){
			 String strNum= ""+ k;
			 
			 for(int l= strNum.length()-1;l>0;l=l-1){
				 String pos= strNum.substring(l,strNum.length())+strNum.substring(0,l);
				 int j= Integer.parseInt(pos);
				 if (j<=pair[1] && j>=pair[0] && j>k){
					 count=count+1;
				 }
			 }
		 }
		 answer[i]= count;
		 System.out.println("Case #"+(i+1)+": "+count);
	   }
		}
	   catch(FileNotFoundException e){
		   }	
	   }
	

	}