byte lsb = (byte) (b & 0x01); return (byte) ((b >>> 1) | (lsb << 7));
int lsb = (b & 0x01); return (byte) (((b & 0xFF) >>> 1) | (lsb << 7));
    public static byte rotateClockwise(byte b) {	byte lsb = (byte) (b & 0x01);	return (byte) ((b >>> 1) | (lsb << 7));     }