#define structure_width 16
#define structure_height 16
static char structure_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0xfc, 0x00, 0x78, 0x00, 0x10, 0x00,
   0x10, 0x1e, 0x70, 0x3f, 0x10, 0x1e, 0x10, 0x00, 0x10, 0x1e, 0x70, 0x3f,
   0x10, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
