Elaborate games and the first is a road, the flow of vehicles will not be a frog and Lien, therefore, need to take adva.

• 说明一下游戏方式,首先是过公路,来来往往的汽车可不会为了一只青蛙而避让,所以,需要趁着车与车之间的缝隙之间灵活穿过。