
import java.util.Scanner;
import java.util.Set;
import java.util.TreeSet;
import java.io.File;
import java.io.IOException;
import java.io.FileWriter;
import java.io.BufferedWriter;

public class Recycle
{
	public static void main(String[] args)
	{
/*		Set<Integer> perms = getPermutations(123456);
		
		for(Integer i: perms)
			System.out.println(i);*/
	
		try
		{
			Scanner s = new Scanner(new File("recycle.in"));
			BufferedWriter w = new BufferedWriter(new FileWriter(new File("recycle.out")));
			int numCases = s.nextInt();
			s.nextLine();
			
			for(int n = 1;n <= numCases; n++)
			{
				int A = s.nextInt();
				int B = s.nextInt();
				int count = 0;
				for(int k = A; k <= B; k++)
				{
					count += getNumPairs(k, B);
				}
				
				w.write("Case #" + n + ": " + count + "\n");
			}
			
			w.flush();
			w.close();
		}
		catch (IOException e)
		{
			e.printStackTrace();
		}
	}
	
	public static int getNumPairs(int n, int B)
	{
		Set<Integer> possibles = getPermutations(n);
		int count = 0;
		for(Integer i : possibles)
			if(i > n && i <= B)
				count++;
		return count;
	}
	
	public static Set<Integer> getPermutations(int n)
	{
		Set<Integer> perms = new TreeSet<Integer>();
		char[] digits = String.valueOf(n).toCharArray();
		
		for(int firstPos = 1; firstPos < digits.length; firstPos++)
		{
			String toBuild = "";
			for(int k = 0; k < digits.length; k++)
				toBuild += digits[(firstPos + k) % digits.length];
			perms.add(Integer.parseInt(toBuild));
		}
		return perms;
	}
	

}
package codejam.network172.com;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.LinkedList;

public class CodeJam {
	public static void main(String[] args) {
		try {
			BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream("/home/harry/Downloads/cj.in")));
			PrintWriter out = new PrintWriter(new FileWriter("/home/harry/Downloads/cj.out"));
			jam(in, out);
			out.close();
		} catch (Exception e) {
			System.out.print("Exception thrown: " + e.toString());
		}
	}
	
	private static void jam(BufferedReader in, PrintWriter out) throws NumberFormatException, IOException {
		int cases = Integer.parseInt(in.readLine());
		for (int i = 0; i < cases; i++) {
			solveCase(i, in, out);
		}
	}
	
	private static void solveCase(int i, BufferedReader in, PrintWriter out) throws NumberFormatException, IOException {
		String[] inStrs = in.readLine().split(" ");
		int a = Integer.parseInt(inStrs[0]);
		int b = Integer.parseInt(inStrs[1]);
		int cnt = 0;
		LinkedList<Integer> seen = new LinkedList<Integer>();
		for (int j = a; j < b; j++) {
			String n = Integer.toString(j);
			seen.clear();
			for (int k = 1; k < n.length(); k++) {
				int r = Integer.parseInt(n.substring(k) + n.substring(0, k));
				if ((r > j) && (r <= b) && !seen.contains(r)) {
					seen.add(r);
					cnt++;
				}
			}
		}
		out.printf("Case #%d: %d\n", i+1, cnt);
	}
}
