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

class B
{
	public static void main(String[] args) 
	{
		try
		{
			BufferedReader br = new BufferedReader(new FileReader("B.in"));
			PrintWriter pw = new PrintWriter(new FileWriter("B.out"));
			int X = Integer.parseInt(br.readLine());

			for(int i=0; i<X; i++)
			{
				String[] S = br.readLine().split(" ");
				int A = Integer.parseInt(S[0]);
				int B = Integer.parseInt(S[1]);
				int R = 0;

				int x = 1;
				int n = 0;
				while(A/x > 0) {
					n++;
					x *= 10;
				}

				for(int j=A; j<B; j++) {
					Set<Integer> seen = new HashSet<Integer>();
					for(int k=1; k<n; k++) {
						int p1 = j % (int)Math.pow(10, k);
						int p2 = (int) Math.pow(10, n-k);
						int p3 = j / (int)Math.pow(10, k);
						int y = p1*p2 + p3;
						
						if(j < y && !seen.contains(y) && y <= B) {
							seen.add(y);
							R++;
						}
					}
				}

				pw.printf("Case #%d: %d\n", i+1, R);
				pw.flush();
			}
		}
		catch(Exception e)
		{ 
			e.printStackTrace();
		}
	}
}

package qualification.q2;

import qualification.common.InputReader;
import qualification.common.OutputWriter;
import qualification.q1.Q1Solver;

/**
 * Created by IntelliJ IDEA.
 * User: ofer
 * Date: 14/04/12
 * Time: 18:55
 * To change this template use File | Settings | File Templates.
 */
public class Q2Sim {

    public static void main(String[] args){
        String inputFile = "input.txt";
        String outPutFile = "output.txt";
        String[] lines = InputReader.getInputLines(inputFile);
        Q2Solver solver = new Q2Solver();
        int numOfTests = Integer.parseInt(lines[0]);
        String[] output = new String[numOfTests];
        for (int i = 0 ; i < numOfTests ; i++){
            String[] splited = lines[i+1].split(" ");
            int n = Integer.parseInt(splited[0]);
            int s =  Integer.parseInt(splited[1]);
            int p = Integer.parseInt(splited[2]);
            int[] sums = new int[n];
            for (int j = 0 ; j < n ; j++){
                int sum = Integer.parseInt(splited[j+3]);
                sums[j] = sum;
            }
            int res = solver.solve(n,s,p,sums);
            output[i] = "Case #" + (i+1) + ": " + res;
        }
        OutputWriter.writeOutput(outPutFile, output);
    }
}
