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 codejam3;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

/**
 *
 * @author Albatross
 */
public class Main {

    
    public static void main(String[] args) throws FileNotFoundException, IOException {

        String final_output="";
        FileReader input = new FileReader("Input.txt");
        BufferedReader bufRead = new BufferedReader(input);

        try{

            String line;
            line = bufRead.readLine();
            int testCases = Integer.parseInt(line);

            

            for (int i=0; i<testCases; i++)
            {
                //System.out.println("Case "+i);
                int pairs = 0;
                line = bufRead.readLine();
                String[] numbers = line.split(" ");

                Integer A = Integer.parseInt(numbers[0]);
                Integer B = Integer.parseInt(numbers[1]);

                for (int j=A; j<B; j++)
                {
                    String numA = Integer.toString(j);
                    for (int k=j+1; k<=B; k++)
                    {
                        String numB = Integer.toString(k);
                        for (int t=1; t<=numB.length(); t++)
                        {
                            //System.out.println("NumA:"+numA);
                            //System.out.println(numB);
                            String prefix = numB.substring(0, t);
                            //System.out.println(prefix);
                            String suffix = numB.substring(t, numB.length());
                            //System.out.println(suffix);
                            if ((suffix+prefix).equals(numA) && suffix.length()!=0){
                                pairs++; //System.out.println("pair!"); break;
                                //System.out.println(numA+" "+numB);
                            }
                        }
                    }
                }

                //System.out.println(pairs);
                final_output = final_output+"Case #"+(i+1)+": "+pairs+"\n";
            }

        }
        finally{}

        FileWriter output_file = new FileWriter("Output.txt");
        BufferedWriter bufWrite = new BufferedWriter(output_file);
        try{

            bufWrite.write(final_output);
        }
        finally{
            bufWrite.close();
        }

    }

}
