Devil's Lake

魔鬼湖是一个简单的智力游戏。

Devil's Lake is a simple mental ability game.

The objective is to bring all men and devils to the opposite shore.

Only two passengers are allowed to be in the boat at a time.

There should be atleast one passenger to operate the boat.

Note that the number of devils should not exceed the number of men at either side.

Have a look at the timer! Try to finish the game with minimum time to achieve high score.