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 gcj12;

import java.util.HashMap;
import java.util.Map;
import java.util.Scanner;

public class C {
    void solve() {
        Scanner scan = new Scanner(System.in);
        int tCase = scan.nextInt();
        for (int i = 1; i <= tCase; i++) {
            int res = 0;
            int a = scan.nextInt();
            int b = scan.nextInt();
            for (int j = a; j <= b; j++) {
                int pow = 10;
                Map<Integer, Integer> map = new HashMap<Integer, Integer>();
                while (j / pow > 0) {
                    int tmp = Integer.valueOf((j % pow) + "" + (j / pow));
                    if (tmp > j && tmp <= b && map.get(tmp) == null) {
                        map.put(tmp, tmp);
                        res++;
                    }
                    pow *= 10;
                }
            }
            System.out.println("Case #" + i + ": " + res);
        }

    }

    public static void main(String[] args) {
        new C().solve();
    }
}
