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.File;
import java.io.FileReader;

public class Third {

	public static void main(String[] args) throws Exception {
		BufferedReader reader = new BufferedReader(new FileReader(new File(
				"/Users/narok119/Desktop/C-small-attempt0.in")));

		String txt = reader.readLine();
		int caseCount = 1;

		while ((txt = reader.readLine()) != null) {
			// Form the input
			String[] info = txt.split(" ");
			int a = Integer.parseInt(info[0]);
			int b = Integer.parseInt(info[1]);
			int output = 0;

			for (int n = a; n < b; n++) {
				for (int m = n + 1; m <= b; m++) {
					String ns = n + "";
					String ms = m + "";
					if (ns.length() == ms.length()) {
						for (int i = 0; i < ns.length(); i++) {
							String ms1 = ms.substring(0, i);
							String ms2 = ms.substring(i);
							if ((ms2 + ms1).equals(ns)) {
								output++;
								break;
							}
						}
					}
				}
			}
			System.out.println("Case #" + caseCount++ + ": " + output);
		}
	}

}
