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.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;


public class Recycled {

	/**
	 * @param args
	 * @throws IOException 
	 */
	
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new FileReader ("data/input"));
		PrintWriter pw = new PrintWriter(new FileWriter("data/output"));
		int lines = Integer.parseInt(br.readLine());
		for(int j = 0; j < lines; j++){
			String sol = "Case #" + (j+1) + ": ";
			StringTokenizer st = new StringTokenizer(br.readLine());
			int min = Integer.parseInt(st.nextToken());
			int max = Integer.parseInt(st.nextToken());
			int num = 0;
			for(int i = min; i<=max;i++){
				String numb = ""+i;
				List<String> duplicates = new ArrayList<String>();
				for(int k=0;k<numb.length();k++){
					duplicates.add(numb);
					int newNumb = Integer.parseInt(numb.substring(k) + "" + numb.subSequence(0, k));
					if(!duplicates.contains(""+newNumb) && newNumb > i && newNumb >= min && newNumb <= max){
						//System.out.println(i+"\t"+newNumb);
						duplicates.add(""+newNumb);
						
						num++;
					}
				}
			}
			pw.println(sol + ""+ num);
		}
		pw.close();

	}

}
