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();
	}

}

package codejam;

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintStream;
import java.util.HashSet;
import java.util.Set;

public class C {
    public static void main(String[] args) throws Exception {
        BufferedReader in = new BufferedReader(new FileReader("file.in"));
        PrintStream out = new PrintStream(new FileOutputStream("file.out"));

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

        String[] s;

        for (int i = 1; i <= nLines; i++) {
            s = in.readLine().split(" ");

            int nA = Integer.valueOf(s[0]);

            int nB = Integer.valueOf(s[1]);

            int result = 0;

            Set<String> set = new HashSet<String>();

            if (nB > 10) {

                int start = Math.max(nA, 11);

                for (int j = start; j <= nB; j++) {

                    String st = String.valueOf(j);

                    for (int k = 1; k < st.length(); k++) {

                        String res = st.substring(k) + st.substring(0, k);
                        if (!res.startsWith("0") && !st.equals(res)
                                && st.length() == res.length()) {

                            int v = Integer.valueOf(res);

                            if (v <= nB && j < v) {
                                set.add(st + "," + res);
                            }

                        }

                    }

                }

            }
            result = set.size();

            out.println("Case #" + i + ": " + result);
        }

        in.close();
        out.close();
    }
}
