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 codejam2012;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.PrintStream;

public class ProblemC
{
	public static void main(String[] args) throws Exception
	{
		BufferedReader in = new BufferedReader(new FileReader("in.txt"));
		PrintStream out = System.out;
		out = new PrintStream("out.txt");
		
		int T = Integer.parseInt(in.readLine());
		
		for (int t = 0; t < T; t++)
		{
			String[] tok = in.readLine().split(" ");
			int A = Integer.parseInt(tok[0]);
			int B = Integer.parseInt(tok[1]);
			long ans = 0;
			boolean[] used = new boolean[10000000];
			int f = 1;
			while (10*f <= A) f *= 10;
			
			for (int n = A; n <= B; n++)
			{
				if (used[n]) continue;
				long k = 1;
				int m = n;
				while (!used[m])
				{
					used[m] = true;
					m = f*(m%10) + (m/10);
					if (!used[m] && m >= A && m <= B) k++;
				}
				
				ans += k * (k-1) / 2;
			}
			
			out.printf("Case #%d: %d\n", t+1, ans);
		}
		
		if (out != System.out) out.close();
	}
}
