/*
 * 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.*;
public class googleJam3 {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception {
		// TODO Auto-generated method stub
		BufferedReader reader = null;
		PrintWriter writer = null;
		try{
			reader = new BufferedReader(new FileReader("C-small-attempt0.in"));
			writer = new PrintWriter(new BufferedWriter(new FileWriter("C-small-attempt0.out")));
			int numInputs = Integer.parseInt(reader.readLine());
			for(int i = 0; i < numInputs; i++)
			{
				String temp = reader.readLine();
				int index = temp.indexOf(" ");
				int A = Integer.parseInt(temp.substring(0, index));
				temp = temp.substring(index+1);
				int B = Integer.parseInt(temp);
				int numWinners = 0;
				for(int j = A; j < B; j++)
				{
					for(int k = j+1; k <= B; k++)
					{
						String original = (new Integer(j)).toString();
						String start = "";
						start += original;
						String goal = (new Integer(k)).toString();
						do{
							String tempString = "";
							tempString += start;
							start = tempString.substring(start.length()-1);
							start+= tempString.substring(0,tempString.length()-1);
							if(start.equals(goal))
								numWinners++;
						} 
						while(!start.equals(original));
						
					}
				}
				writer.print("Case #" + (i+1) + ": " + numWinners + "\n");
				
			}
			writer.close();
		}
		catch(Exception e)
		{
			throw(e);
		}
	}

}
