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 cats;

import java.io.*;
import java.util.ArrayList;

public class Main {
	public Main() throws Exception{
		FileReader fr = new FileReader(new File("input.txt"));
		BufferedReader in = new BufferedReader(fr);
		
		File outFile = new File("output.txt");
		outFile.createNewFile();
		FileWriter fw = new FileWriter(outFile);
		BufferedWriter out = new BufferedWriter(fw);
		
		
		int numTests = Integer.parseInt(in.readLine());
		for(int x = 0; x<numTests; x++){
			System.out.println("Working on case " + x + " of " + numTests);
			String[] splitLine = in.readLine().split(" ");
			int min, max;
			min = Integer.parseInt(splitLine[0]);
			max = Integer.parseInt(splitLine[1]);
			
			int count = 0;
			ArrayList<String> found = new ArrayList<String>();
			for(int n = min; n <= max; n++){
				String num = n+"";
				found.clear();
				for(int d = 0; d<num.length()-1; d++){
					num = num.substring(1) + num.charAt(0);
					int value = Integer.parseInt(num);
					if(value > n && value <= max && (value+"").length() == num.length() && !found.contains(num)){
						//System.out.println(n + " " + value);
						found.add(num);
						count++;
					}
				}
				
			}
			
			out.write("Case #" + (x+1) + ": " + count + "\n");
		}
		
		
		
		in.close();
		out.close();
	}
	
	
	
	
	public static void main(String[] args) throws Exception{
		new Main();
	}
}
