C53 Decryption

"Isn't that... Is this a scam?" When Duomu heard the news, he immediately woke up from his last bit of sleep. At this time, he was so awake!

275 keys. If every door had to be tested, how much time would it take? Although if you calmed down and tried it one by one, it would be completed faster and faster in the future, but even so, What they needed the most right now was time!

"Calm down