#define circle_width 16
#define circle_height 16
#define circle_x_hot 8
#define circle_y_hot 8
static short circle_bits[] = {
   0x0000, 0x03c0, 0x0ff0, 0x1ff8,
   0x3c3c, 0x381c, 0x700e, 0x700e,
   0x700e, 0x700e, 0x381c, 0x3c3c,
   0x1ff8, 0x0ff0, 0x03c0, 0x0000};