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 com.theblind.problem;

import java.util.HashSet;
import java.util.Scanner;

import com.theblind.utility.FileUtility;

public class RecycledNumbers {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(System.in);
		String inputFileName = in.next();
		String inputData = FileUtility.readFromFile(inputFileName);
		
		RecycledNumbers problem = new RecycledNumbers();
		String content = problem.solve(inputData);
		
		FileUtility.writeToFile("output.txt", content);
	}

	private String solve(String inputData) {
		// TODO Auto-generated method stub
		Scanner in = new Scanner(inputData);
		StringBuilder sb = new StringBuilder();
		
		int testCases = in.nextInt();
		for (int i = 1; i <= testCases; ++i) {
			sb.append("Case #" + i + ": ");
			
			int A = in.nextInt();
			int B = in.nextInt();
			sb.append(calculate(A, B));
			sb.append("\n");
		}
		return sb.toString();
	}

	private int calculate(int A, int B) {
		// TODO Auto-generated method stub
		int result = 0;
		String b = Integer.toString(B);
		for (int i = A; i < B; ++i) {
			String n = Integer.toString(i);
			HashSet<String> numbers = new HashSet<String>(); 
			for (int k = 1; k < n.length(); ++k) {
				String m = n.substring(k) + n.substring(0, k);
				if (numbers.contains(m)) {
					continue;
				}
				else {
					numbers.add(m);
				}
				
				if (m.compareTo(n) > 0 && m.compareTo(b) <= 0) {
					++result;
				}
			}
		}
		return result;
	}

}
