/*
 * 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.*;

public class Recycler {
	
	public static void main(String[] args) {
		
		Recycler rec = new Recycler();
		String line = "";
		BufferedReader br;
		BufferedWriter output;
		FileWriter fstream;
		int x;
		int y;
		
		try {
			br = new BufferedReader(new FileReader("C-small-attempt0.in"));        
			line = br.readLine();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		
		rec.testCases = Integer.parseInt(line);
		
		try {
			fstream = new FileWriter("output.txt");
			output = new BufferedWriter(fstream);
			br = new BufferedReader(new FileReader("C-small-attempt0.in"));
			br.readLine();
			for(int i = 1; i <= rec.testCases ;i++) {
				line = "";
				line = br.readLine();
				int j = 0;
				while( line.charAt(j) != ' ')
					j++;
				x = Integer.parseInt(line.substring(0, j));
				y = Integer.parseInt(line.substring(j+1));
				
				output.write("Case #" + i + ": " +  rec.countPairs(x, y));
				output.newLine();
			}
			output.close();
				
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	private int countPairs(int A, int B) {
		int counter = 0;
		for(int i = A; i < B; i++) {
			for(int j = i+1; j <= B; j++){
				if(checkR(i,j)){
					counter++;
				}
			}
		}
		return counter;
	}
	
	private boolean checkR(int num1, int num2){
		String n = Integer.toString(num1) ;
		String m = Integer.toString(num2) ;
		boolean isPair = false;
		
		for(int i = m.length()-1; i > 0;i--){
			String s = n.substring(i);
			String ss = n.substring(0, i);
			String sss = s + ss;
			if(sss.equals(m)) {
				isPair = true;
				
			}
		}	
		return isPair;
	}
	
	/* private instance variables */
	private int testCases;

}
