#define alert_width 16
#define alert_height 16
static unsigned char alert_bits[] = {
   0xff, 0xff, 0x01, 0xf8, 0xf1, 0xf9, 0xe1, 0xc1, 0xe1, 0xc1, 0xe1, 0xc1,
   0xe1, 0xc1, 0xe1, 0xc1, 0xe1, 0xc1, 0xe1, 0xc1, 0x01, 0xc0, 0xe1, 0xc1,
   0xe1, 0xc1, 0x01, 0xc0, 0xff, 0xff, 0xff, 0xff};