/*
 * 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.*;
import java.util.*;
public class Prob3
{
    public static void main (String[] args) throws IOException
    {
	BufferedReader in = new BufferedReader (new FileReader ("C-small-attempt0.in"));
	PrintWriter out = new PrintWriter (new FileWriter ("OUT3.txt"));
	int T = Integer.parseInt (in.readLine ().trim ()), c, a, b;
	StringTokenizer st;
	String temp, hold;
	ArrayList p;
	for (int x = 0 ; x < T ; x += 1)
	{
	    c = 0;
	    st = new StringTokenizer (in.readLine ());
	    a = Integer.parseInt (st.nextToken ());
	    b = Integer.parseInt (st.nextToken ());

	    for (int y = a ; y < b ; y += 1)
	    {
		if (y > 10)
		{
		    temp = Integer.toString (y);
		    p = new ArrayList ();
		    for (int z = 0 ; z < temp.length () - 1 ; z += 1)
		    {
			hold = temp.substring (z + 1) + temp.substring (0, z + 1);
			if (hold.charAt (0) != '0' && Integer.parseInt (hold) > Integer.parseInt (temp) && Integer.parseInt (hold) <= b && p.contains (hold) == false)
			{
			    c += 1;
			    p.add (hold);
			}
		    }
		}
	    }
	    out.println ("Case #" + (x + 1) + ": " + c);
	}
	out.close ();
    }
}


