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 jp.funnything.competition.util;

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

import org.apache.commons.io.IOUtils;

public class AnswerWriter {
    private static final String DEFAULT_FORMAT = "Case #%d: %s\n";

    private final BufferedWriter _writer;
    private final String _format;

    public AnswerWriter( final File output , final String format ) {
        try {
            _writer = new BufferedWriter( new FileWriter( output ) );
            _format = format != null ? format : DEFAULT_FORMAT;
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }

    public void close() {
        IOUtils.closeQuietly( _writer );
    }

    public void write( final int questionNumber , final Object result ) {
        write( questionNumber , result.toString() , true );
    }

    public void write( final int questionNumber , final String result ) {
        write( questionNumber , result , true );
    }

    public void write( final int questionNumber , final String result , final boolean tee ) {
        try {
            final String content = String.format( _format , questionNumber , result );

            if ( tee ) {
                System.out.print( content );
                System.out.flush();
            }

            _writer.write( content );
        } catch ( final IOException e ) {
            throw new RuntimeException( e );
        }
    }
}
