/*
 * 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.DataInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class NumberRecycling {

    /**
     * @param args
     */
    public static void main(String[] args) {
	// TODO Auto-generated method stub
	try {
	    FileInputStream fstream = new FileInputStream("D:/work/java dev/Google code jam 2012/bin/C-small-attempt0.in");
	    // Get the object of DataInputStream
	    DataInputStream in = new DataInputStream(fstream);
	    BufferedReader reader = new BufferedReader(new InputStreamReader(in));
	    String numberOfTest = reader.readLine();
	    Integer T = Integer.valueOf(numberOfTest);
	    File result = new File("D:/work/java dev/Google code jam 2012/bin/Cresult.txt");
	    FileWriter writer = new FileWriter(result);
	    PrintWriter pWriter = new PrintWriter(writer);
	    for (int j = 0; j < T; j++) {
		String[] dataset = reader.readLine().split(" ");
		int A = Integer.valueOf(dataset[0]);
		int B = Integer.valueOf(dataset[1]);
		int numberOfRecycledPairs = 0;
		for (int n = A; n <= B; n++) {
		    for (int m = n + 1; m <= B; m++) {
			if (n != m) {
			    if (isRecycleNumbers(String.valueOf(n), String.valueOf(m))) {
				numberOfRecycledPairs++;
			    }
			}
		    }
		}
		pWriter.println("Case #" + (j + 1) + ": " + numberOfRecycledPairs);
	    }
	    pWriter.flush();
	    pWriter.close();
	} catch (FileNotFoundException e) {
	    // TODO Auto-generated catch block
	    e.printStackTrace();
	} catch (IOException e) {
	    // TODO Auto-generated catch block
	    e.printStackTrace();
	}
    }

    private static boolean isRecycleNumbers(String n, String m) {
	boolean result = false;
	for (int i = 1; i < n.length(); i++) {
	    String nPrime = moveNumberToTheBack(n, i);
	    if (nPrime.equals(m)) {
		return true;
	    }
	}
	return result;
    }

    private static String moveNumberToTheBack(String n, int i) {
	String start = n.substring(i);
	String end = n.substring(0, i);
	return start + end;
    }
}
