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.io.BufferedReader;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class RecycledNumbers {

	public static void main(String[] args) {
		List<String> lines = getline("C:\\Users\\Ami\\Downloads\\C-small-attempt1.in");
		System.out.println("number of TestCases-->>" + lines.remove(0));
		Process(lines);
	}

	private static void Process(List<String> lines) {
		int i = 1;
		for (String line : lines) {
			int k = 0;
			String[] nums = line.split(" ");
			int A = Integer.valueOf(nums[0]);
			int B = Integer.valueOf(nums[1]);
			for (int j = A; j < B; j++) {
				String j2 = "" + j;
				for (int x = 1; x <=j2.length(); x++) {
					int num = Integer.parseInt(j2.substring(x)
							+ j2.substring(0, x));
					if (num > j && num <= B){
						k++;
						//System.out.println(j2+" : "+num);
					}
						
				}
			}
			System.out.println("Case #" + i + ": " + k);
			i++;
		}

	}

	private static List<String> getline(String path) {
		List<String> ls = new ArrayList<String>();
		try {
			FileInputStream fstream = new FileInputStream(path);
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			while ((strLine = br.readLine()) != null) {
				ls.add(strLine);
			}
			in.close();
		} catch (Exception e) {
			System.err.println("Error: " + e.getMessage());
		}
		return ls;
	}
}
