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 numbers;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.HashSet;

public class Solution {

	public static void main(String[] args) throws IOException {
		
		
		BufferedReader br = new BufferedReader(new FileReader("C-large.in"));
		BufferedWriter wr = new BufferedWriter(new FileWriter("output"));
		
		Integer cases = Integer.valueOf(br.readLine());
		for (int caseNumber = 1; caseNumber<=cases; ++caseNumber){
			String[] line = br.readLine().split(" ");
			Integer A = Integer.valueOf(line[0]);
			Integer B = Integer.valueOf(line[1]);
			StringBuffer bf = new StringBuffer();
			bf.append("Case #");
			bf.append(caseNumber);
			bf.append(": ");
			
			if (A<11)
				A = 11;
			int counter = 0;
			for (int n=A; n<=B;++n){
				counter += findRecycled(n, B);
			}
			bf.append(counter);
			wr.write(bf.toString());
			wr.newLine();
			wr.flush();
		}

	}

	private static int findRecycled(int n, int limit) {
		
		int retVal = 0;
		HashSet<String> possibles = new HashSet<String>();
		String base = String.valueOf(n);
		for (int i=1; i<base.length();++i){
			String possibility = base.substring(i).concat(base.substring(0,i));
			possibles.add(possibility);
		}
		for (String possibility : possibles){
			int check = Integer.valueOf(possibility);
			if (check>n && check<=limit)
				++retVal;
		}
		return retVal;
	}

}
