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 recycled;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

public class Main {

	public static void main(String[] args) throws IOException {
		File file = new File("C-large.in");
		FileReader fr = new FileReader(file);
		BufferedReader in = new BufferedReader(fr);
		
		String line=in.readLine();
		String[] tokens;
		int num = Integer.parseInt(line);
		int i=1;
		int A,B;
		String str;
		int n,count;
		while(i<=num){
			line=in.readLine();
			tokens = line.split(" ");
			A = Integer.parseInt(tokens[0]);
			B = Integer.parseInt(tokens[1]);
			count = 0;
			for(int m=A;m<B;m++){
				str = Integer.toString(m);
				for(int j=0;j<str.length()-1;j++){
					str = str.substring(1) + str.charAt(0);
					n = Integer.parseInt(str);
					if(n>m && n<=B){
						count++;
					}
					if(n==m){
						break;
					}
				}
			}
			
			System.out.println("Case #"+i+": "+count);
			i++;
		}
	}

}
