商人过河游戏,有三个商人带着三个随从和货物过河，船每次最多只能载两个人，由他们自己划行，并且如何乘船渡河的大权由商人掌握。-Merchants across the river game, three businessmen with three followers and goods across the river to ship up to only carry two people, by their own paddle, and how power boat to cross the