
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 com.embege.codejam;

import java.util.Arrays;
import java.util.Scanner;

public class CJ2012QualiCRecycled
{

	static int len(int n)
	{
		int c = 1;
		while ((n = n/10) > 0) c++;
		return c;
	}
	
	static boolean checkDigits(int a, int b)
	{
		if (len(a) != len(b)) return false;
		
		String sa = Integer.toString(a);
		String sb = Integer.toString(b);
		
		char []ca = sa.toCharArray();
		char []cb = sb.toCharArray();
		
		Arrays.sort(ca);
		Arrays.sort(cb);
		int len = ca.length;

		for(int i = 0; i < len; i++)
		  if(cb[i] != ca[i])
		    return false;

		return true;
		/*
		for (int i=0; i<sa.length();++i)
		{
			if (!sb.contains( sa.substring(i,i+1)  )) return false;
			if (!sa.contains( sb.substring(i,i+1)  )) return false;
		}
		
		return true;
		*/
	}
	
	static boolean permut(int a, int b)
	{
		String sa = ""+a;
		String sb = ""+b;
		
		for (int x = 1; x<sa.length()+1; x++)
		{
			String part1 = sa.substring(0, x);
			String part2 = sa.substring(x, sa.length());
			
			String n = part2+part1;
			if (n.equals(sb)) return true;
		}
		return false;
	}
	
	public static void main(String[] args)
	{
		final Scanner in = new Scanner(System.in);
		final int T = in.nextInt();
		for (int t = 0; t < T; t++)
		{
			int A = in.nextInt();
			int B = in.nextInt();			
			int x = 0;
			
			for (int i=A; i<B;++i) 
			{
				for (int j=i+1; j<=B;++j) 
				{
					if (checkDigits(i, j))
					{
						if (permut(i, j))
						{
							x++;
						}
					}
				}
			}
			

			System.out.format("Case #%d: %d\n", (t+1), x );
		}
	}

}
