#define swap_fields_width 16
#define swap_fields_height 16
static char swap_fields_bits[] = {
   0xff, 0xff, 0x01, 0x80, 0x01, 0x88, 0x01, 0x98, 0xfd, 0xbf, 0xfd, 0xbf,
   0x01, 0x98, 0x01, 0x88, 0x11, 0x80, 0x19, 0x80, 0xfd, 0xbf, 0xfd, 0xbf,
   0x19, 0x80, 0x11, 0x80, 0x01, 0x80, 0xff, 0xff};
