#define dot_width 9
#define dot_height 9
static unsigned char dot_bits[] = {
   0x10, 0x00, 0x7c, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0xff, 0x01, 0xfe, 0x00,
   0xfe, 0x00, 0x7c, 0x00, 0x10, 0x00};