#define square_width 8
#define square_height 16
static unsigned char square_bits[] = {
   0x00, 0x00, 0x1e, 0x1e, 0x1e, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00 };