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;
	}
}

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.StringTokenizer;

public class ProblemC {

	/**
	 * @param args
	 * @throws IOException 
	 * @throws NumberFormatException 
	 */
	public static void main(String[] args) throws NumberFormatException, IOException {
		FileReader fileread = new FileReader("C-small-attempt0.in");
		FileWriter filewrite = new FileWriter("C-small-attempt0.out");
		BufferedReader in = new BufferedReader(fileread);
		int cases = Integer.parseInt(in.readLine()), mycase = 0;
		StringTokenizer s;
		while(cases-- > 0) {
			int A, B, count = 0;
			s = new StringTokenizer(in.readLine());
			A = Integer.parseInt(s.nextToken());
			B = Integer.parseInt(s.nextToken());
			for(int i = A; i < B; i++) {
				for(int j = i + 1; j <= B; j++) {
					String str = i + "";
					for(int c = 0; c < str.length(); c++) {
						String x = str.substring(c);
						String y = str.substring(0, c);
						String res = x + y;
						if(Integer.parseInt(res) == j) {
							count++;
							break;
						}
					}
				}
			}
			filewrite.write("Case #" + ++mycase + ": " + count + "\n");
		}
		filewrite.close();
	}

}
