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 googlecodejam;

import java.io.*;
import java.util.HashSet;

public class Qualification_C {

	private static String inFile = "C://CodeJam/QCin.txt";
	private static String outFile = "C://CodeJam/QCout.txt";
	private static BufferedWriter writer;

	public static void main(String[] args) {
		try{
			writer = new BufferedWriter(new FileWriter(outFile));
			readInput();
			writer.close();
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	
	private static void readInput(){
		try{
			FileInputStream fstream = new FileInputStream(inFile);
			// Get the object of DataInputStream
			DataInputStream in = new DataInputStream(fstream);
			BufferedReader br = new BufferedReader(new InputStreamReader(in));
			String strLine;
			
			// test num
			strLine = br.readLine();
			int numTest = Integer.parseInt(strLine);
			
			for (int i = 0; i<numTest; i++){
				strLine = br.readLine();
				String[] num = strLine.split(" ");
				int a = Integer.parseInt(num[0]);
				int b = Integer.parseInt(num[1]);
				int count = 0;
				for (int j=a; j<b; j++){
					String str = Integer.toString(j);
					HashSet<Integer> list = swap(str);
					for (int x : list){
						if (x >j && x<=b){
							count ++;
						}
					}
				}
				println("Case #" + (i+1) + ": " + count);
			}
			
			//Close the input stream
			in.close();
		}catch (Exception e){
			e.printStackTrace();
		}
	}

	private static HashSet<Integer> swap(String str){
		HashSet<Integer> list = new HashSet<Integer>();
		for (int i=1; i<str.length(); i++){
			String x = str.substring(i, str.length()) + str.substring(0, i);
			list.add(Integer.parseInt(x));
		}
		return list;
	}

	public static void println(String msg) throws IOException {
		System.out.println(msg);
        writer.write(msg);
		writer.newLine();   // Write system dependent end of line.
    }
}
