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.*;
import java.util.StringTokenizer;

/**
 * User: Grant
 * Date: 14/04/12
 * Time: 23:29
 */
public class ProblemC {
    public static void main(String[] args) throws IOException {
        // Prepare output file
        File outputFile = new File("E:\\Programming\\Java\\CodeJam\\resources\\problemCOutput.txt");
        if (outputFile.exists()) {
            outputFile.delete();
        }

        FileWriter fileWriter = new FileWriter(outputFile);
        BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);

        // Read input file
        File inputFile = new File("E:\\Programming\\Java\\CodeJam\\resources\\TestInput.txt");
        FileReader fileReader = new FileReader(inputFile);
        BufferedReader bufferedReader = new BufferedReader(fileReader);

        Integer testCases = Integer.parseInt(bufferedReader.readLine().trim());
        for (int i = 0; i < testCases; i++) {
            System.out.println(" ");
            StringTokenizer st = new StringTokenizer(bufferedReader.readLine().trim(), " ");
            int lower = Integer.parseInt(st.nextToken().trim());
            int upper = Integer.parseInt(st.nextToken().trim());

            int count = 0;
            for (int left = lower; left < upper; left++) {
                for (int right = (left + 1); right <= upper; right++) {
                    String leftStr = left + "";
                    String rightStr = right + "";
                        int start = -1;
                        while((start = leftStr.indexOf(rightStr.charAt(0), start+1)) != -1) {
                            if (rightStr.equals(leftStr.substring(start, leftStr.length()) + leftStr.substring(0, start))) {
                                count++;
                                break;
                            }
                        }
                }
            }


            StringBuilder outputLine = new StringBuilder("Case #");
            outputLine.append(i+1).append(": ").append(count).append("\n");
            bufferedWriter.write(outputLine.toString());
        }

        bufferedReader.close();
        fileReader.close();

        // Write output file
        bufferedWriter.flush();
        fileWriter.flush();
        bufferedWriter.close();
        fileWriter.close();
    }
}
