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.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;

public class ProblemC {
	
	public static void main(String[] args){
		
		BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
		
		try{
			
			String line = in.readLine();

			int numLines = Integer.parseInt(line);

			for(int i = 1; i <= numLines; i++){
				
				System.out.print("Case #" + i + ": ");
				
				line = in.readLine();
				
				String[] nums = line.split(" ");
				
				int A = Integer.parseInt(nums[0]);
				int B = Integer.parseInt(nums[1]);
				
				int size = nums[0].length();
				
				int count = 0;
				
				for(int n = A; n < B; n++){
					String nStr = String.valueOf(n);
					ArrayList<String> pairs = new ArrayList<String>();
					for(int k = 1; k < size; k++){
						String mStr = nStr.substring(k, size) + nStr.substring(0, k);
						int m = Integer.parseInt(mStr);
						if(m > n && m <= B){
							String nm = n + "," + m;
							if(!pairs.contains(nm)){
								pairs.add(nm);
								count++;
							}
						}
					}
				}
				
				System.out.println(count);
			}
		}catch(IOException e){
			
		}
	}
}