import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Recycled {
	public static void main(String[] args) throws Exception{
		String inputFile = "C-small-attempt0.in";
		
		BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(inputFile)));
		BufferedWriter output = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("output")));
		long num_cases = Long.parseLong(input.readLine());
		int current_case = 0;
		
		while (current_case < num_cases){
			current_case++;
			
			String[] fields = input.readLine().split(" ");
			int A = Integer.parseInt(fields[0]);
			int B = Integer.parseInt(fields[1]);
			int total = 0;
			
			for (int n = A; n < B; n++){
				for (int m = n+1; m <= B; m++){
					if (isRecycled(n,m)) total++;
				}
			}
			
			System.out.println("Case #" + current_case + ": " + total);
			output.write("Case #" + current_case + ": " + total + "\n");
		}
		output.close();
	}

	private static boolean isRecycled(int n, int m) {
		String sn = ""+n;
		String sm = ""+m;
		if (sn.length() != sm.length()) return false;
		int totaln = 0, totalm = 0;
		for (int i = 0; i < sn.length(); i++){
			totaln += sn.charAt(i);
			totalm += sm.charAt(i);
		}
		if (totaln != totalm) return false;
		for (int i = 0; i < sn.length()-1; i++){
			sm = sm.charAt(sm.length() - 1) + sm.substring(0, sm.length() - 1);
			if (sm.equals(sn)) return true;
		}
		return false;
	}
}

package codejam;

import java.io.BufferedReader;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.PrintStream;
import java.util.HashSet;

public class _Q_C {
	public static void main(String[] args) throws Exception {
		String input_file = "C-small-attempt0.in";
		String output_file = "_Q_C_small_out.txt";
	
		BufferedReader in = new BufferedReader(new FileReader(input_file));
		PrintStream out = new PrintStream(new FileOutputStream(output_file));
		
		in.readLine();
		String line;
		int case_num = 1;
		while ((line=in.readLine()) != null) {  
			String[] line_str = line.split(" ");
			int a = Integer.parseInt(line_str[0]);
			int b = Integer.parseInt(line_str[1]);
			
			HashSet<String> hs = new HashSet<String>();
			for (Integer n = a; n <= b; ++n) {
				String n_str = n.toString();
				int len = n_str.length();
				for (int r = 1; r < len; ++r) {
					String rotated_n_str =
						n_str.substring(len - r) + n_str.substring(0, len - r);
					if (isValidPair(a, b, n_str, rotated_n_str)) {						
						String check_str =
							removeLeadingZero(n_str) + "_" +
							removeLeadingZero(rotated_n_str);
						String check_str_rev =
							removeLeadingZero(rotated_n_str) + "_" +
							removeLeadingZero(n_str);
						if (!hs.contains(check_str) &&
								!hs.contains(check_str_rev)) {
							int rotated_n =
								Integer.parseInt(rotated_n_str);
							if (n <= rotated_n)
								hs.add(check_str);
							else
								hs.add(check_str_rev);
						}						
					}
				}
			}
						
			//System.out.println("Case #" + case_num + ": " + hs.size() + "\n" + hs.toString());
			out.println("Case #" + case_num + ": " + hs.size());
			++case_num;
		}
	}
	
	private static boolean isValidPair(int a, int b, String n_str, String m_str) {		
		Integer n = Integer.parseInt(n_str);
		Integer m = Integer.parseInt(m_str);
		
		String n_str_strip = n.toString();
		String m_str_strip = m.toString();
		
		return (n_str_strip.length() == m_str_strip.length() &&
				a <= n && n < m && m <= b);		
	}
	
	private static String removeLeadingZero(String s) {
		int i = 0;
		for (; i < s.length(); ++i) {
			if (s.charAt(i) != '0')
				break;
		}
		return s.substring(i);
	}
}
