#define brightness_width 15
#define brightness_height 15
static char brightness_bits[] = {
   0x00, 0x00, 0x80, 0x00, 0x84, 0x10, 0xe8, 0x0b, 0x10, 0x04, 0x08, 0x08,
   0x08, 0x08, 0x0e, 0x38, 0x08, 0x08, 0x08, 0x08, 0x10, 0x04, 0xe8, 0x0b,
   0x84, 0x10, 0x80, 0x00, 0x00, 0x00};