Each type of firefly has its own flashingcode. This helps males and females find mates of the same species.
每一种萤火虫都有自己的发光代码，这样可以帮助它们在同类中求偶。
2
Input the established Code, then presses "b" key, the green light will flash for 5 seconds, during the flashing, turn the handwheel clockwise to open the Safe.