public void availableDigits(Boolean[] digits) {
	
		message = "digits ";
		
		for (Boolean b:digits) {
			if (b) {
				message += "1";
			}
			
			else {
				message +="0";
			}
		}
		
		message +="\n";
		
		try {
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			DataOutputStream out = new DataOutputStream (baos);
			out.writeBytes(message);
			out.close();
			byte[] payload = baos.toByteArray();
			mailbox.send(new DatagramPacket (payload, payload.length, clientAddress));
		}
		
		catch (IOException exc){}
	
	
	}