有四名商人各带一名仆人要过河，但船最多能载二人，商人已获得仆人的阴谋：在河的任一岸，只要浦人数超过商人数，仆人会将商人*并窃取货物。安排如何乘船的权力掌握在商人手中，你能为商人制定一个安全过河的策略吗？-The four businessmen with a servant to cross the river, but the ship can carry up to two persons, businessmen have been the servants of the plot: one of the river bank, as long as the number of Pu over business, the servant will kill and steal business goods. Arrangements of the power boat rests in the hands of merchants, you can cross the river for businessmen to develop a safe strategy?