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 com.google.code;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;

public abstract class GCJ {

	private BufferedReader input;
	private BufferedWriter output;
	String inputLine;
	String[] brokenUpInputLine;
	public static final String FOLDER = "/tmp/";
	
	
	protected GCJ() throws IOException {
		String subclass = this.getClass().getSimpleName();		
		input = new BufferedReader(new FileReader(new File(FOLDER, subclass+".in")));
		output = new BufferedWriter(new FileWriter(new File(FOLDER, subclass+".out")));
	}

	public void run() throws NumberFormatException, IOException {
		int loop = Integer.valueOf(input.readLine());
		for (int i = 0; i < loop; i++)
			answering(i+1);
		output.flush();
	}

	protected void write(String s) throws IOException {
		System.out.print(s);
		output.write(s);
	}
	protected void writeln(String s) throws IOException {
		System.out.println(s);
		output.write(s+"\n");
	}
	protected void writeln() throws IOException {
		System.out.println();
		output.write("\n");
	}
	protected void write(int s) throws IOException {
		System.out.print(String.valueOf(s));
		output.write(String.valueOf(s));
	}
	protected void writeln(int s) throws IOException {
		System.out.println(String.valueOf(s));
		output.write(String.valueOf(s)+"\n");
	}
	
	protected void readLine() throws IOException {
		inputLine = input.readLine();
		brokenUpInputLine = inputLine.split(" ");
	}
	
	protected String getStringInput(int i) {
		return brokenUpInputLine[i];
	}
	
	protected int getIntInput(int i) {
		return Integer.parseInt(brokenUpInputLine[i]);
	}
	
	protected long getLongInput(int i) {
		return Long.parseLong(brokenUpInputLine[i]);
	}
	
	protected double getDoubleInput(int i) {
		return Double.parseDouble(brokenUpInputLine[i]);
	}

	private void answering(int ordinalityOfProblem) throws IOException {
		writeOrdinalityOfAnswer(ordinalityOfProblem);
		code(ordinalityOfProblem);
	}
	private void writeOrdinalityOfAnswer(int ordinalityOfProblem) throws IOException {
		write("Case #"+ordinalityOfProblem+": ");
	}
	
	protected abstract void code(int count) throws IOException;

}
