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 google;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Scanner;

public class Recycled 
{
    public static void main(String[] args) throws FileNotFoundException, IOException 
    {
        IO.changeGoogleIO('C', 1);
        
        Scanner input = new Scanner(System.in);
        
        int n = input.nextInt();
        int a, b;
        int x, digit;
        int len;
        int result0;
        String s;
        String result;
        
        for (int i = 0; i < n; ++i) 
        {
            result = "Case #" + (i + 1) + ": "; 
            
            a = input.nextInt();
            b = input.nextInt();
            
            result0 = 0;
            
            for (int j = a; j <= b; ++j) 
            {
                s = j + "";
                len = s.length();
                
                do
                {
                    s = s.charAt(len - 1) + s.substring(0, len - 1); 
                    
                    x = Integer.parseInt(s);
                            
                    if ((x > j) && (x >= a) && (x <= b))
                        ++result0;
                }
                while (x != j);
            }
            
            result += result0;
            
            System.out.println(result);
        }
    }
}
