进行blocus游戏代码。游戏开始时，你要把己方颜色的棋子从棋盘起点处依次摆放到棋盘上，每个棋子只能与同色棋子的棋角相连，不允许沿棋边贴着摆放。-For blocus game code. The beginning of the game, you take one' s own color pawn from the board at the beginning of turn placed on the chessboard, each piece can only be conne