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;
	}
}

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


public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		BufferedReader bu = null;
		PrintWriter pr = null;
		int T, A, B, counter, m, check;
		String in, con, sub, S;
		try {
			bu = new BufferedReader(new FileReader(args[0]));
			pr = new PrintWriter(new FileWriter("out.out"));
			
			T = Integer.parseInt(bu.readLine());
			
			for(int i = 0; i < T; i++) {
				S = "Case #" + (i + 1) + ": ";
				in = bu.readLine();
				String[] sp = new String[in.length()];
				sp = in.split("\\s+");
				A = Integer.parseInt(sp[0]);
				B = Integer.parseInt(sp[1]);
				counter = 0;
				check = 0;
				m = 0;
				for(int n = A; n <= B ; n++) {
					con = "";
					sub = "";
					for(int k = 0; k < sp[0].length(); k++) {
						con = ""+n;
						StringBuilder sb = new StringBuilder(con);
						sb.append(sb.substring(0, k)).delete(0, k);
						sub = sb.toString();
						//pr.println(sub);
						m = Integer.parseInt(sub);
						
						if((n >= A) && (n < m) && (B >= m) && (check != m)) {
							counter++;
							check = m;
							
						}
					}
				}
				pr.println(S + counter);
				pr.flush();
			}
			
			
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

	}

}
