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 shakti;


import java.io.*;
import java.util.Scanner;

public class recycle 
{
    public static void main(String[] args) 
	{
		int cn=0;
        
        try 
		{
            
        	File file = new File("C-large.in");
			FileOutputStream out=new FileOutputStream("output.out");
			Scanner in=new Scanner(new FileReader(file) );
			int n=in.nextInt();
		    while (n!=cn) {
				cn++;
				int count=0;
				int a=in.nextInt();
				int b=in.nextInt();
				int number=0;
				for(int i=a;i<=b;i++)
				{ 
					String str=i+"";
				
					do{
						char c=str.charAt(0);
						String newstr=str.substring(1, str.length()); 
						str=newstr+c;
					
						number=Integer.parseInt(str);
					
						if((number<i)&(a<=number)&(number<=b))
						{
							count++;
						}
						
					}while(number!=i);
				}


				out.write(("Case #"+cn+": "+count+"\n").getBytes());
				System.out.println("Case #"+cn+": "+count);
				
            }
        } catch (Exception e) {}
                
	}
}