/*
 * 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.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashSet;


public class RecycledNumbers {


	public static void main(String[] args) throws IOException 
	{
		BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("C-small-attempt0.in")));
		//BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream("B-large.in")));
		//BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter out = new BufferedWriter(new FileWriter("RecycledNumbers.txt"));
		int cases = Integer.parseInt(reader.readLine());
		for(int i=1; i <= cases; i++)
		{
			String line = reader.readLine();
			int beg = Integer.parseInt(line.split(" ")[0]);
			int end = Integer.parseInt(line.split(" ")[1]);
			HashSet<Integer> h = new HashSet<Integer>();
			int count = 0;
			for(int j=beg; j<=end;j++) {
				String str = j+"";
				int c = 0;
				for(int m = str.length()-1; m>=0; m--) {
					str = str.substring(1) + str.charAt(0);
					int number = Integer.parseInt(str);
					if(number >= beg && number <= end && !h.contains(number)) {
						h.add(number);
						c++;
					}
				}
				count = count + ((c-1)*c)/2;
			}

			//out.write((p*3-2) + " " + (p*3-4) + "\n");
			System.out.print("Case #" + i+ ": " + count+"\n");
			out.write("Case #" + i+ ": " + count+"\n");
		}
		out.close();
	}



}


