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 codejam2012;

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;

/**
 *
 * @author acer
 */
public class C {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws FileNotFoundException, IOException {
        // TODO code application logic here
        FileInputStream input = new FileInputStream("input.txt");
        DataInputStream in = new DataInputStream(input);
        BufferedReader br = new BufferedReader(new InputStreamReader(in));

        FileOutputStream output = new FileOutputStream("output.txt");

        int T = Integer.parseInt(br.readLine());
        int A, B;

        for (int i = 0; i < T; i++) {
            String[] temp = br.readLine().split(" ");
            A = Integer.parseInt(temp[0]);
            if (A < 12) {
                A = 12;
            }
            B = Integer.parseInt(temp[1]);
            if (B < A) {
                output.write(("Case #" + (i + 1) + ": " + "0" + "\n").getBytes());
                continue;
            }
            int j = A, count = 0;

            while (j <= B) {
                String thisNo = new Integer(j).toString();
                Set<Integer> intSet = new HashSet<Integer>();
                for (int k = 1; k < thisNo.length(); k++) {
                    int newNo = Integer.parseInt(thisNo.substring(thisNo.length() - k) + thisNo.substring(0, thisNo.length() - k));
                    if (newNo <= B && Integer.parseInt(thisNo) < newNo && !intSet.contains(newNo)) {
                        count++;
                        intSet.add(newNo);
                    }
                }
                j++;
            }
            output.write(("Case #" + (i + 1) + ": " + count + "\n").getBytes());
        }
    }
}
