On 202 1, the general inspection of Kyle international homing pigeon competition was stamped with an invisible seal in addition to roll printing, and the highest level of invisible ink was used to prevent cheating. Collect pigeons, scan them, cover them with mudra, and put on a password sticker. After collecting pigeons, give the pigeon clock to the computer to brush it. Don't enter the pigeon collection again after brushing the clock and leaving.