import java.util.HashSet;
import java.util.Scanner;

public class C {

	static HashSet p = new HashSet();
	static int low;
	static int high;
	int count = 0;

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int no = sc.nextInt();

		for (int i = 1; i <= no; i++) {

			p.clear();
			low = sc.nextInt();
			high = sc.nextInt();

			for (int l = low; l <= high; l++) {
				recycle(l);
			}
			System.out.println("Case #" + i + ": " + p.size());

		}
	}

	public static void recycle(int no) {

		String s = Integer.toString(no);
		for (int i = 0; i < s.length(); i++) {
			String rec = s.substring(i) + s.substring(0, i);
			int r = Integer.parseInt(rec);
			if (r != no && r >= low && r <= high) {
				int min = Math.min(r, no);
				int max = Math.max(r, no);
				String a = Integer.toString(min) + "" + Integer.toString(max);
				p.add(a);

			}
		}

	}
}

package prob2;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Set;

public class prob2 {
	public static void main(String args[]) {
		try {
			BufferedReader in = new BufferedReader(new InputStreamReader(new DataInputStream(new FileInputStream("./src/prob2/a-small.in"))));
			BufferedWriter out = new BufferedWriter(new FileWriter("./src/prob2/a-small.out"));

			int line = Integer.parseInt(in.readLine());

			for (int i = 0; i < line; i++) {
				int count = 0;
				String inLine[] = in.readLine().split(" ");
				out.append("Case #" + (i+1) + ": ");
				int min = Integer.parseInt(inLine[0]);
				int max = Integer.parseInt(inLine[1]);
				Set<Integer> inn = new HashSet<Integer>();
				if (max > 11) {
					for (int l = min; l <= max; l++) {
						inn.clear();
						String ll = l + "";
						for (int a = ll.length() - 1; a >= 1; a--) {
							if (ll.charAt(a) != '0') {
								int t = Integer.parseInt(ll.substring(a) + ll.substring(0, a));
								if (l >= min && t <= max && l<t) {
									inn.add(t);
								}
							}
						}
						count+=inn.size();
					}
					out.append("" + count);
				} else {
					out.append("0");
				}
				out.append("\n");
			}

			out.flush();
			in.close();
			out.close();
		} catch (Exception e) {// Catch exception if any
			System.err.println("Error: " + e.getMessage());
		}

	}
}
