小时候玩过的一个游戏概述：棋局为一正四边形，画出其两条对角线、两条边中点连线，共有3*3=9个点。 红方〮 -Overview of child played a game: chess game is a positive quadrilateral, draw the two diagonals, midpoints of two sides, a total of 3* 3 = 9 points. Red side 〮 ......