static byte Switch_Target(byte a)
{
	switch (a) {
		case 0:
			return 0;
			break;
		case 1:
			return 1;
			break;
		case 2:
			return 2;
			break;
		case 23:
			return 23;
			break;
		case byte.MaxValue:
			return byte.MaxValue;
			break;
		default:
			return 42;
			break;
}
		}