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 CodeJam2012;

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

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		FileReader in = new FileReader("C-large.in");
		BufferedReader buff = new BufferedReader(in);
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(
				"C-large.out")));

		int nCases = Integer.parseInt(buff.readLine());
		StringBuilder output = new StringBuilder("");

		for (int i = 0; i < nCases; i++) {
			String input = buff.readLine();
			output.append("Case #" + (i + 1) + ": " + getPairs(input) + "\n");
		}
		out.print(output.toString());
		in.close();
		out.close();
	}

	private static long getPairs(String input) {
		StringTokenizer st = new StringTokenizer(input);
		String first = st.nextToken();
		String second = st.nextToken();
		int from = Integer.parseInt(first);
		int to = Integer.parseInt(second);
		long counter = 0;

		HashSet<String> set = new HashSet<String>();
		for (int i = from; i <= to; i++) {
			String temp = i + "";
			for (int j = 0; j < temp.length(); j++) {
				String next = temp.substring(j, temp.length())
						+ temp.substring(0, j);
				int x = Integer.parseInt(next);
				if (x <= to && x >= from && i < x
						&& !set.contains(temp + "$" + next)) {
					counter++;
					set.add(temp + "$" + next);
				}
			}
		}
		return counter;
	}
}
