/*
 * 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.FileReader;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.util.*;

public class Recycle {
	public static void main(String args[]){
				
		Recycle t=new Recycle();
		Scanner sc;
		int T;
		int A, B;
		int temp, len;
		int div, rem, no, goo;
		
		int count = 0;
		try{
			sc = new Scanner(new FileReader("test.txt"));
			T = sc.nextInt();
			//in = new BufferedReader(new FileReader("test.txt"));
			PrintWriter pw = new PrintWriter(new FileWriter("Ans.txt"));

			while(T>0)
			{
				goo=0;
				A = sc.nextInt();
				B = sc.nextInt();
				temp = A;	len=1;
				while(temp>=10)
				{
					temp = temp/10;
					len++;
				}
				System.out.println(A+ " " +B+ " " +len);
				for(int i=A; i<B; i++)
				{
					for(int j=1; j<len; j++){
						rem = i%(int)Math.pow(10,j);
						div = i/(int)Math.pow(10,j);
						no = rem*(int)Math.pow(10, len-j) + div;
						//pw.println(i+ " "+rem+ " " + div+" " +no);
						if(no>A && no<=B && no>i){ 
							//pw.println(i+","+no+","+j);
							goo++;
						}
					}
				}
				
				System.out.println(goo);
				pw.println("Case #"+ ++count +": "+ goo);
				pw.flush();
				
				T--;
			}
			pw.close();
		}catch(Exception e){}

	}
}
