C1111 They Met in a Narrow Path

The password was ten digits.

According to the usual six digits.

There must be countless combinations!

If she tried it one by one, how long would it take?

Hwa Hua stood in front of the bookshelf and looked at the password with the flashlight in her hand.

Pata... Pata...

Suddenly, there was a soft sound of footsteps coming from the corridor outside