#define screen_width 18
#define screen_height 18
static char screen_bits[] = {
  0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 0x03, 0x00, 0x03, 
  0xFF, 0xFF, 0x03, 0xFF, 0xFF, 0x03, 0x00, 0x03, 0x00, 0x00, 0x03, 0x00, 
  0xF0, 0x3F, 0x00, 0xF0, 0x3F, 0x00, };