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);
	}
}

import java.util.Scanner;
import java.io.BufferedInputStream;
import java.util.HashSet;
public class C
{
	public static void main(String[] args)
	{
		Scanner scanner = new Scanner(new BufferedInputStream(System.in));
		
		int n = scanner.nextInt();
		for (int i = 0; i < n; i++)
		{
			int count = 0;
			int low = scanner.nextInt();
			int high = scanner.nextInt();
			for (int j = low; j < high; j++)
			{
				String s = Integer.toString(j);
				String s2;
				int len = s.length();
				HashSet<Integer> set = new HashSet<Integer>();
				
				for (int k = 0; k < len-1; k++)
				{
					s2 = s.substring(len-k-1, len) + s.substring(0, len-k-1);
					int num = Integer.parseInt(s2);
					//System.out.println(num);
					if (num >= low && num <= high && num > j && !set.contains(num))
					{
						count++;
						set.add(num);
					}
				}
			}
			System.out.println("Case #" + (i+1) + ": " + count);
		}
	}
}
