#define fan_width 16
#define fan_height 16
static unsigned char fan_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x07, 0xe0, 0x0f, 0xf0, 0x1e, 0x78, 0x3c, 0x3c,
   0x78, 0x1e, 0xc0, 0x03, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01, 0x80, 0x01,
   0x80, 0x01, 0x80, 0x01, 0xc0, 0x03, 0xc0, 0x03 };