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();
	}

}

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


public class prob3 {

	/**
	 * @param args
	 */
	
	
	
	
	static BufferedReader openRead(String fileName){
		 BufferedReader in = null;
		try {
			in = new BufferedReader(new FileReader(fileName));
		} catch (FileNotFoundException e) {
			System.err.println("Error Opening the input file");
			e.printStackTrace();
		}
		 return in;
	}
	
	
	
	static int countRecyclyed(int n, int A, int B, int len){
		int result = 0;
		int l = 10;
		int t = 1;
		for (int i = 1; i < len; i++)
			t = t*10;
		for (int i = 1; i < len; i++){
			int m = n / l + (n % l)*t; 
			l = l*10;
			t = t /10;
			if (m > A && m <=B && m >n){
			    result ++;
		//	    System.out.format("(%d , %d)\n", n, m);
			}
			
			
		}
		
		return result;
		
		
	}
	
	
	static void processLine( String line ,  int k, PrintStream ps){
		ps.format("Case #%d: ", k);
		String[] lineItems = line.split(" ");
			
		int A = Integer.parseInt(lineItems[0]);
		int B = Integer.parseInt(lineItems[1]);
		int len = lineItems[0].length();
		System.out.println(len);
		int n = 0;
		for (int i = A ; i < B; i++){
			 n += countRecyclyed(i, A, B, len);
		}
	  ps.format("%d\n", n);	
		
	}
	
	public static void main(String[] args) throws IOException {
		if (args.length < 1){
			System.err.println("not suffucient args");
			System.exit(-1);
		}
		BufferedReader in = openRead(args[0]);
		PrintStream ps = new PrintStream(new File(args[1]));
		// read size
		int T = 0;
		String TStr = in.readLine();
		T = Integer.parseInt(TStr);
		if ( T < 1 || T > 100)
			System.exit(-1);
		
		
		// read contents
		String line;
		for (int i = 0; i < T  && (line = in.readLine())!= null; i++){
			processLine( line, i+1, ps);
		}
		
			
			
			
			
			
		System.out.println("Done!");

	}
	


}
