规则 Rules
双方交替在两点之间画一条线，如果这条线是一个方框的最后一条边，则这个人占领这个格子，并获得一次额外的划线机会。
Players draw a line between two dots alternately.If the line is the last edge of a box,the player occupy the box and gain another opportunity to draw line.
最后谁占领的格子最多谁获得胜利
Who occupying more boxes at last is the winner.