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 gcj2012;

/**
 *
 * @author allegea
 */
import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.StringTokenizer;

/**
 *
 * @author Allegea
 */
public class RecycledNumbers {
 
    public static void main(String[] args) throws IOException,FileNotFoundException{
        
       String name = "C-small-attempt0";
        
        BufferedReader in   = new BufferedReader(new FileReader(name+".in"));
        
        // BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        FileWriter archivo = new FileWriter(name+".out");
        PrintWriter out = new PrintWriter(archivo);
        out.flush();

         
           String line;
           line = in.readLine();
           int cases = Integer.parseInt(line);
           int act = 0;
            while (act++<cases) 
            {
                StringTokenizer x = new StringTokenizer(in.readLine());
                int a = Integer.parseInt(x.nextToken());
                int b = Integer.parseInt(x.nextToken());
                HashSet<String> set = new HashSet<String>();
                
                for(int i=a;i<=b;i++){
                    String w = String.valueOf(i);
                    for(int j=1;j<w.length();j++){
                         String ans = w.substring(j,w.length())+w.substring(0, j);
                         if(!ans.equals(w)){
                             int q = Integer.parseInt(ans);
                             if(q<=b && q>=a)
                             {
                                 String other = Math.min(i, q)+"-"+Math.max(i, q);
                                 set.add(other);
                             }
                         }
                    }
                    
                }
                
               // System.out.println(set.size()+" - "+set);
                
                
                System.out.println("Case #"+act+": "+set.size());
               out.println("Case #"+act+": "+set.size());
              // System.out.println(line); 
                
            }


        in.close();
        out.close();
        System.exit(0);

        

        
        
    }
   


}

