#define defect_width 21
#define defect_height 21
static unsigned char defect_bits[] = {
   0x80, 0x1f, 0x00, 0x60, 0x60, 0x00, 0x10, 0x80, 0x00, 0x08, 0x00, 0x01,
   0x04, 0x00, 0x02, 0x82, 0x10, 0x04, 0x42, 0x29, 0x04, 0x81, 0x10, 0x08,
   0x01, 0x00, 0x08, 0x01, 0x00, 0x08, 0x01, 0x00, 0x08, 0x01, 0x00, 0x08,
   0xe1, 0x7f, 0x08, 0xe2, 0x7f, 0x04, 0x02, 0x00, 0x04, 0x04, 0x00, 0x02,
   0x08, 0x00, 0x01, 0x10, 0x80, 0x00, 0x60, 0x60, 0x00, 0x80, 0x1f, 0x00,
   0x00, 0x00, 0x00};