/*
 * 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.FileInputStream;
import java.io.InputStreamReader;

public class MainApp {

	public static void main(String[] args) {
		String input = "";

		try {
			FileInputStream fstream = new FileInputStream("C-small-attempt2.in");

			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;

			while ((strLine = br.readLine()) != null) {
				input += strLine + "\n";
			}
			in.close();
		} catch (Exception e) {
		}

		String[] inputs = input.split("\n");
		
		int len = inputs.length;
	
		for (int p = 1; p < len; ++p) {
			int count = 0;
			
			String[] split = inputs[p].split(" ");
			
			int A = Integer.parseInt(split[0]);
			int B = Integer.parseInt(split[1]);

			int n = A;
			
			while (n < B - 1) {
				for (int m = (n + 1); m <= B; ++m) {
					String strN = String.valueOf(n);
					
					for (int k = strN.length(); k > 1; --k) {
						String str = strN.substring(k - 1, strN.length()) + strN.substring(0, k - 1);

						int a = Integer.parseInt(str);
						
						if (a == m) {
							count++;
							break;
						}
					}
				}
				
				n++;
			}

			System.out.println("Case #" + p + ": " + count);
		}
	}
}
