/*
 * 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.*;

class Recycled
{
	int n;
	int m;

	Recycled (int a, int b)
	{
		n=a;
		m=b;
	}

	boolean isEqual(int a, int b)
	{
		if (n == a && m == b)
			return true;
		else
			return false;
	}
}

class C
{
	public static void main(String args[]) throws FileNotFoundException
	{
		Scanner in = new Scanner(new File(args[0]));

		int t;

		t = Integer.parseInt(in.nextLine());

		for (int i=0; i<t; i++)
		{
			int a = in.nextInt();
			int b = in.nextInt();
			int s = 0;
			ArrayList<Recycled> recs = new ArrayList<Recycled>();

			for (int n=a; n<b; n++)
			{
				String x = String.valueOf(n);
				String y = new String();
				for (int j=0; j<x.length()-1; j++)
				{
					y = x.substring(j+1) + x.substring(0,j+1);
					int m = Integer.parseInt(y);
					if ( n < m && m <= b)
					{
						boolean distinct = true;
						for (Recycled rec: recs)
						{
							if (rec.isEqual(n,m))
							{
								distinct = false;
								break;
							}	
						}

						if (distinct)
						{
							recs.add(new Recycled(n,m));
							s++;
						}
					}
				}

			}
			
			System.out.println("Case #" + (i+1) + ": " + s);
		}

	}
}
