1#define shuffle_width 16
2#define shuffle_height 16
3static char shuffle_bits[] = {
4   0x80, 0x03, 0xc0, 0x07, 0xc0, 0x0c, 0x40, 0x0c, 0x00, 0x0c, 0x0e, 0x07,
5   0x9f, 0x3b, 0xb3, 0x7d, 0x31, 0xcc, 0xb0, 0xc5, 0x9c, 0xc1, 0x0e, 0x70,
6   0x06, 0x38, 0x00, 0x18, 0x06, 0x00, 0x06, 0x18};
7