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;
	}
}

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package recyclednumbers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;

/**
 *
 * @author Stefanos
 */
public class RecycledNumbers {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        
        String input, temp;
        String output = "";
        int left, right;
        int i = 0, bingo;
        int cases, size;
                
        try {  
            FileReader fr = new FileReader(new File("C-small-attempt0.in"));  
            BufferedReader br = new BufferedReader(fr);
            
            FileWriter fstream = new FileWriter("C-small-attempt0.out");
            BufferedWriter out = new BufferedWriter(fstream);

            cases = Integer.parseInt(br.readLine());
            i = 0;

            while(i < cases) {
                input = br.readLine();
                output += "Case #"+(++i)+": "; 
                String[] split = input.split(" ");
                bingo = 0;
                
                if (split[0].length()>1) {
                    left = Integer.parseInt(split[0]);
                    right = Integer.parseInt(split[1]);
                    
                    for (int j=left; j<right; j++) {
                        for (int k=j+1; k<=right; k++) {
                            String num = Integer.toString(k);
                            size = num.length();
                        
                            for(int m=0; m<size-1; m++) {
                            
                                int concat = Integer.parseInt(num.substring(m+1, size)+num.substring(0, m+1));
                                
                                if(j == concat) { bingo++; break;}                     
                            }                       
                        }
                    }
                    
                    
                }
                out.write(output+bingo);
                output = "\n";
            }

            out.close();
            br.close();
            
        }catch (Exception e) { System.err.println("Error: " + e.getMessage()); }
    }
}
