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();
	}

}


import java.io.File;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.Scanner;

public class C {

    public static void main(String args[]) throws Exception {
        final String PATH = "/home/goalboy/software installation/codejam-commandline-1.0-beta4/source/";
        final String FILE = "C-large-0";
        Scanner in = new Scanner(new File(PATH + FILE + ".in"));
        PrintWriter out = new PrintWriter(PATH + FILE + ".out");

        int test = in.nextInt();
        for (int t = 1; t <= test; t++) {
            String strA = in.next();
            int A = Integer.parseInt(strA);
            int B = in.nextInt();
            int length = strA.length();
            int result = 0;
            for (int n = A; n < B; n++) {
                String rotated = n + "";
                HashSet<Integer> setM = new HashSet<Integer>();
                for (int i = 0; i < length - 1; i++) {
                    rotated = rotated.substring(1) + rotated.charAt(0);
                    if (rotated.charAt(0) == '0') {
                        continue;
                    }
                    int m = Integer.parseInt(rotated);
                    if (m > n && m <= B) {
                        setM.add(m);
                    }
                }
                result += setM.size();
            }
            out.println("Case #" + t + ": " + result);
        }

        out.close();
    }
}
