package codejam;

import java.util.*;
import java.io.*;

public class RecycledNumbers {
	public static void main(String[] args) throws IOException {
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintWriter out = new PrintWriter(new File("out.txt"));
		
		int T = Integer.parseInt(in.readLine());
		for (int t = 1; t <= T; ++t) {
			String[] parts = in.readLine().split("[ ]+");
			int A = Integer.parseInt(parts[0]);
			int B = Integer.parseInt(parts[1]);
			
			int cnt = 0;
			for (int i = A; i < B; ++i) {
				String str = String.valueOf(i);
				int n = str.length();
				String res = "";
				Set<Integer> seen = new HashSet<Integer>();
				for (int j = n - 1; j > 0; --j) {
					res = str.substring(j) + str.substring(0, j);
					int k = Integer.parseInt(res);
					if (k > i && k <= B) {
						//System.out.println("(" + i + ", " + k + ")");
						if (!seen.contains(k)) {
							++cnt;
							seen.add(k);
						}
					}
				}
			}

			out.println("Case #" + t + ": " + cnt);
		}
		
		in.close();
		out.close();
		System.exit(0);
	}
}

package ponder.CodeJamQualify;

import java.io.*;
import java.util.HashSet;
import java.util.Set;
import java.util.StringTokenizer;

/**
 * @author: sg  Date: 15.04.12
 */
public class TaskC
{
	static Set<Integer> rotations(int x, int min, int max)
	{
		Set<Integer> rotations = new HashSet<Integer>();
		String s = Integer.toString(x);
		for (int i = 1; i < s.length(); i++)
		{
			String s2 = s.substring(i) + s.substring(0, i);
			if (s2.charAt(0) == '0')
				continue;

			Integer r = Integer.valueOf(s2);
			if ((x < r) && (r <= max))
				rotations.add(r);
		}
		return rotations;
	}

	static int calcMinMax(final int min, final int max)
	{
		int count = 0;
		for (int i = Math.max(min, 11); i < max; i++)
		{
			count += rotations(i, min, max).size();
		}
		return count;
	}

	public static void main(String[] args) throws IOException
	{
//		PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter("taskC.out")));
//		BufferedReader reader = new BufferedReader(new FileReader("taskC.in"));
//		PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter("C-small-attempt0.out")));
//		BufferedReader reader = new BufferedReader(new FileReader("C-small-attempt0.in"));
		PrintWriter writer = new PrintWriter(new BufferedWriter(new FileWriter("C-small-attempt1.out")));
		BufferedReader reader = new BufferedReader(new FileReader("C-small-attempt1.in"));
		String inLine;
		int caseIndex = 0;
		inLine = reader.readLine();
		while (null != (inLine = reader.readLine()))
		{
			StringTokenizer st = new StringTokenizer(inLine);
			int min = Integer.parseInt(st.nextToken());
			int max = Integer.parseInt(st.nextToken());
			int count = calcMinMax(min, max);
			caseIndex++;
			writer.printf("Case #%d: %d\r\n", caseIndex, count);
		}
		writer.close();
	}
}
