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.cj;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

public class IOHandler {
	private static Logger logger = Logger.getLogger(IOHandler.class);

	public static List<String> readInput(String fileName) {
		List<String> fileContents = new ArrayList<String>();
		BufferedReader reader = null;
		try {
			reader = new BufferedReader(new FileReader(fileName));
			String line = null;

			while ((line = reader.readLine()) != null) {
				fileContents.add(line);
			}

		} catch (IOException e) {
			logger.error(e);
		} finally {
			try {
				reader.close();
			} catch (IOException e) {
				logger.error(e);
			}
		}
		Integer noTestCases = Integer.valueOf(fileContents.remove(0));
		System.out.println("No. of test cases [" + noTestCases + "]");

		return fileContents;
	}

	public static void writeOutput(List<String> outputList, String fileName) {
		List<String> finalList = new ArrayList<String>();
		int i = 1;
		for (String output : outputList) {
			finalList.add("Case #" + i + ": " + output);
			i++;
		}

		BufferedWriter out = null;
		try {
			out = new BufferedWriter(new FileWriter(fileName));
			for (String line : finalList) {
				out.write(line);
				out.newLine();
			}
		} catch (IOException e) {
			logger.error(e);
		} finally {
			try {
				out.close();
			} catch (IOException e) {
				logger.error(e);
			}
		}
	}
}
