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.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.Scanner;


public class EjercicioA {
	public static boolean prueba = false;
	public static void main(String args[]){
		
 		try {
 			FileOutputStream fos = new FileOutputStream(new File("solucion.txt"));
 			
 			OutputStream os = System.out;
 			if (!prueba)
 				os = fos;
			Scanner s = new Scanner(new File("problema.txt"));
			int a = s.nextInt();
			
			for(int i = 0; i < a; i++){			
				int limI = s.nextInt();
				int limS = s.nextInt();
				int k = 0;
				for (int j = limI; j<limS;j++){
					int e = 0;
					String p = j + "";
					do{						
						p = p.substring(p.length()-1) + p.substring(0,p.length() -1);
						e = Integer.parseInt(p);
						if (e > j && e <= limS){
							k++;
						}
					}while(e != j);
					
					
				}
				os.write(("Case #" + (i + 1) + ": " + k+  "\n").getBytes());
				
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		
	}
}
