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 main;

import java.io.FileReader;
import java.io.IOException;
import java.util.Vector;

import qualificationRound.Dancing;
import qualificationRound.Googlerese;
import qualificationRound.Recycled;

import exception.GiveUpException;

public class Main {

	/**
	 * 
	 * @param args
	 */
	public static void main(String[] args) {

		String inputFilename = "C-small-attempt0.in";
		String outputFilename = "C-small-attempt0.out";

		String output = "";

		FileHandling filesHandler = new FileHandling();

		FileReader file = null;

		Vector<String> inputVector = null;

		try {

			file = filesHandler.openFileForReading(inputFilename);
			inputVector = filesHandler.readLinesFromFile(file);
		} catch (GiveUpException e) {
			System.err.println("exiting..");
		} catch (IOException e) {
			System.err.println("error while reading..");
		}

		// ---------------| Place Code Here |-------------------------

		// output = Practice( inputVector );

		// output = QualificationRound_A(inputVector);
		// output = QualificationRound_B(inputVector);

		output = QualificationRound_C(inputVector);

		// -----------------| End of Code |---------------------------

		try {

			filesHandler.writeToFile(outputFilename, output);
			System.out.println("\n----------------------------------\n");
			System.out.println(output);
		} catch (GiveUpException e) {
			System.err.println("error while writing..");
		}
	}

	private static String QualificationRound_A(Vector<String> pInputVector) {

		String output = "";

		int T = Integer.valueOf(pInputVector.get(0));

		for (int i = 1; i <= T; i++) {

			String result = Googlerese.translate(pInputVector.get(i));

			output = output + "Case #" + i + ": " + result + "\n";
		}

		return output;
	}

	private static String QualificationRound_B(Vector<String> pInputVector) {

		String output = "";

		int T = Integer.valueOf(pInputVector.get(0));

		for (int i = 1; i <= T; i++) {

			String line[] = pInputVector.get(i).split(" ");

			int N = Integer.parseInt(line[0]);
			int S = Integer.parseInt(line[1]);
			int P = Integer.parseInt(line[2]);

			int[] Ti = new int[N];

			for (int j = 0; j < N; j++)
				Ti[j] = Integer.parseInt(line[j + 3]);

			int result = Dancing.howMany(N, S, P, Ti);

			output = output + "Case #" + i + ": " + result + "\n";
		}

		return output;
	}

	private static String QualificationRound_C(Vector<String> pInputVector) {

		String output = "";

		int T = Integer.valueOf(pInputVector.get(0));

		for (int i = 1; i <= T; i++) {

			String line[] = pInputVector.get(i).split(" ");

			int A = Integer.parseInt(line[0]);
			int B = Integer.parseInt(line[1]);

			int result = Recycled.howMany(A, B);

			output = output + "Case #" + i + ": " + result + "\n";
		}

		return output;
	}
}
