import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package numbers;

import java.util.*;
import java.io.*;

public class Numbers {
     public static void main(String[] args) throws Exception {
       Scanner br = new Scanner(new FileReader("C-small-attempt0.in"));
       BufferedWriter bw = new BufferedWriter(new FileWriter("out.txt"));
       
       int T = br.nextInt();
       
       for(int t = 1; t<=T; t++){
           int A = br.nextInt();
           int B = br.nextInt();
           
           int sum = 0;
           for(int i = A; i < B; i++){
                 sum += pcount(i, B);
           }
           bw.write("Case #"+t+": "+sum);
           bw.newLine();
       }
                
       br.close();
       bw.close();
    }
     
    private static int pcount(int n, int max){
        if(n<10) return 0;
        
        int sum = 0;
        String r = rev(Integer.toString(n));
        String sn = Integer.toString(n);
        
        while(!r.equals(sn)){
            int ir = Integer.parseInt(r);
            if(ir>n && ir<=max){
                sum++;
            }
            r = rev(r);
        }
        return sum;
    }
    
    private static String rev(String n){
        if(n.length()<2) return n;

        StringBuilder sb = new StringBuilder();
        sb.append(n.charAt(n.length()-1));
        for(int i = 0; i< n.length()-1; i++){
            sb.append(n.charAt(i));
        }        

        return sb.toString();
    } 
}
