四子连是一个两个人一起玩的棋盘游戏，在游戏中玩家轮流下子，当一方横、竖、或者斜有四子连成一条线时获胜。(The four company is a chessboard game played by two people. In the game, players take turns and win when one side is horizontal, vertical, or four of them are connected into one line.)