/*
 * 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 javax.swing.*;
import java.util.Scanner;
import java.io.*;

class ProblemC
{
	public static void main (String []sdvv) throws IOException
	{
		int cases=0, A=0, B=0, total;
		String num;
		Scanner sc;
		PrintWriter es;
		try
		{
			sc = new Scanner(new File("Csmall.IN"));
			es = new PrintWriter(new BufferedWriter(new FileWriter("solutionC.txt")));
			cases=Integer.parseInt(sc.nextLine());
			for(int j=1;j<=cases;j++)
			{
				total=0;
				es.print("Case #"+j+": ");
				A=sc.nextInt();
				B=sc.nextInt();

				for(int n=A;n<B;n++)
				{
					for(int m=n+1;m<=B;m++)
					{
						if(checkRotation(n,m))
						{
							total++;
						}
					}
				}

				es.println(total);
			}
			es.close();
		}
		catch(FileNotFoundException error)
		{
			System.out.println("no se encuentra el archivo");
		}
		catch (EOFException e)
		{
		    System.out.println("Final de Stream");
		}

	}
	public static boolean checkRotation(int n, int m)
	{
		String num=Integer.toString(n);
		String ref=Integer.toString(m);
		if(num.length()==ref.length())
		{
			int l=num.length();
			String temp=num;
			for(int z=1;z<l;z++)
			{
				temp=temp.substring(1,l);
				temp+=num.charAt(z-1);
				if(temp.equals(ref))
					return true;
			}
		}
		return false;
	}
}