#define flip_msk_width 16
#define flip_msk_height 16
static char flip_msk_bits[] = {
   0x80, 0x07, 0xc0, 0x1f, 0xfe, 0x3f, 0xff, 0x7c, 0xfe, 0x78, 0xfe, 0xf8,
   0xff, 0xfa, 0xff, 0xff, 0xff, 0xff, 0x5f, 0xff, 0x1f, 0x7f, 0x1e, 0x7f,
   0x3e, 0xff, 0xfc, 0x7f, 0xf8, 0x03, 0xe0, 0x01};
