package fixjava;

public class StringUtils {

	/** Repeat the given string the requested number of times. */
	public static String repeat(String str, int numTimes) {
		StringBuilder buf = new StringBuilder(Math.max(0, str.length() * numTimes));
		for (int i = 0; i < numTimes; i++)
			buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the left hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padLeft(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(padChar);
		for (int i = 1, mi = bufSize - str.length(); i < mi; i++)
			buf.append(padChar);
		buf.append(str);
		return buf.toString();
	}

	/**
	 * Pad the right hand side of a field with the given character. Always adds at least one pad character. If the length of str is
	 * greater than numPlaces-1, then the output string will be longer than numPlaces.
	 */
	public static String padRight(String str, char padChar, int numPlaces) {
		int bufSize = Math.max(numPlaces, str.length() + 1);
		StringBuilder buf = new StringBuilder(Math.max(numPlaces, str.length() + 1));
		buf.append(str);
		buf.append(padChar);
		while (buf.length() < bufSize)
			buf.append(padChar);
		return buf.toString();
	}

	/** Intern all strings in an array, skipping null elements. */
	public static String[] intern(String[] arr) {
		for (int i = 0; i < arr.length; i++)
			arr[i] = arr[i].intern();
		return arr;
	}

	/** Intern a string, ignoring null */
	public static String intern(String str) {
		return str == null ? null : str.intern();
	}

}

/*  
    Author: Gaurav Gupta
    Date:   14 Apr 2012
 */
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;

public class Recycled {

	/**
	 * TODO Put here a description of what this method does.
	 * 
	 * @param args
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub.

		FileWriter fw = new FileWriter("Output3.txt");
		PrintWriter pw = new PrintWriter(fw);

		Scanner sc = new Scanner(System.in);

		int T = sc.nextInt();
		int sum = 0;
		int A, B;
		for (int i = 0; i < T; i++) {
			A = sc.nextInt();
			B = sc.nextInt();
			sum = 0;
			for (int j = A; j <= B; j++) {
				int n = j;
				int m;
				String ns = String.valueOf(n);
				String ms;
				int count = 0;
				int found = 0;
				int rep[] = new int[ns.length()];
				for (int k = 0; k < ns.length(); k++) {
					ms = ns.substring(k, ns.length()) + ns.substring(0, k);

					m = Integer.parseInt(ms);

					if (m > n && m >= A && m <= B) {

						found = 0;

						for (int l = 0; l < count; l++)
							if (rep[l] == m) {
								found = 1;
							}

						if (found == 0) {
							rep[count] = m;
							count++;
							sum++;
							// System.out.println(n + "  " + m);
						}

					}

				}

			}

			pw.println("Case #" + (i + 1) + ": " + sum);
			System.out.println("Case #" + (i + 1) + ": " + sum);
		}

		pw.close();

	}

}
