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.*;
import java.util.HashMap;
class probC{
	public static void main(String[] args){
		Code b=new Code();
	}
}
class Code{
	public Code(){
		try {
			FileWriter fstream = new FileWriter("output.txt");
			BufferedWriter out = new BufferedWriter(fstream);

			File fin = new File("C-large.in");
			FileReader fr = new FileReader(fin);
			BufferedReader reader = new BufferedReader(fr);

			int t = Integer.parseInt(reader.readLine());

			for (int qq=0;qq<t;qq++){

				String soal=reader.readLine();
				System.out.println(qq+" "+soal);
				int jwb=0;

				String[] agg=soal.split(" ");
				int awal=Integer.parseInt(agg[0]);
				int akhir=Integer.parseInt(agg[1]);

				for (int i=awal;i<=akhir;i++){
					String ck=i+"";
					int pjg=ck.length();
					int cek=Integer.parseInt(ck);

					for (int j=0;j<pjg;j++){
						if (cek>i && cek<=akhir){
							jwb++;
						}
						ck=ck.substring(1)+ck.charAt(0);
						cek=Integer.parseInt(ck);
					}
				}

				out.write("Case #"+(qq+1)+": "+jwb+"\n");

			}

			reader.close();
			out.close();
		} catch (Exception e) {
			System.err.println(e.getMessage());
        }
	}

}