#define luminosity_width 16
#define luminosity_height 16
static unsigned char luminosity_bits[] = {
   0x00, 0x00, 0x80, 0x01, 0xc0, 0x03, 0x18, 0x18, 0xc8, 0x13, 0xe0, 0x07,
   0xf4, 0x2f, 0xf6, 0x6f, 0xf6, 0x6f, 0xf4, 0x2f, 0xe0, 0x07, 0xc8, 0x13,
   0x18, 0x18, 0xc0, 0x03, 0x80, 0x01, 0x00, 0x00 };