package codejam;

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

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

package commons;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

public class FileUtilities {
    
    public static void writeFile(List<String> strings, File file) 
            throws IOException {
        
        file.createNewFile();
        FileWriter writer = new FileWriter(file);
        
        for (int i = 1; i <= strings.size(); i++) {
            writer.write("Case #");
            writer.write(i + ": ");
            writer.write(strings.get(i-1));
            writer.write("\n");
        }
        
        writer.close();
    }
    
    public static List<String> readFile(File file) throws IOException {
        
        BufferedReader reader = new BufferedReader(new FileReader(file));
        
        String input = reader.readLine();
        List<String> result = new LinkedList<String>();
        
        while (!(input == null)) {
            result.add(input);
            input = reader.readLine();
        }
        
        reader.close();
        
        return result;
    }
}
