/*
 * 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.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;


public class recycle {
	static int A=1111;
	static int B=2222;
	static int counter=0;
	static int cases=0;
	public static void main(String args[]) throws NumberFormatException, IOException{
		String temp,temp1[];
		FileReader in=new FileReader(new File("in"));
		BufferedReader br=new BufferedReader(in);
		FileOutputStream out=new FileOutputStream("out"); 
		cases=Integer.parseInt(br.readLine());
		for(int k=0;k<cases;k++){
			counter=0;
			temp=br.readLine();
			temp1=temp.split(" ");
			A=Integer.parseInt(temp1[0]);
			B=Integer.parseInt(temp1[1]);
		for(int i=A;i<B;i++)
			for(int j=i+1;j<=B;j++)
			{
				if(isRecycled(i,j))
					counter++;
			}
			out.write(("Case #"+(k+1)+": "+counter+"\n").getBytes());
		}
		System.out.println("\nans"+counter);
	}
	static boolean isRecycled(int n,int m){
		String ns=new Integer(n).toString();
		String ms=new Integer(m).toString();
		String temp;
		if(ns.length()==ms.length()){
		
			for(int i=0;i<ns.length();i++){
				temp=ns.substring(i)+ns.substring(0,i);
				if(temp.equals(ms))
					return true;
			}
		}
		return false;
	}
}
