Giftcode: Secret_ _ _
Guess the last 3 codes to crack the giftcode!

Being the assassin and hacker, you have successfully infiltrated the base to steal some secrets. While cracking the code, you noticed a clock stopped at 6 p.m. and some strange numbers on the lamp and wall... Maybe theres something to it.
The security is near. Can you crack the code in time?

Hints:
L=2
R=4

Event Period  expiration of the giftcode: 1st September 2022 4th September 2022, 14:00 (UTC+8)

Remark:
Please note that the code can be used only once


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