用5条直线将下面的12个棋子连起来,且每条直线都与前一条相连,线条不得重复,应该怎么做? iRLG/670dK9jJxLomf1VKnbk+TpNbBYfnqb7hSkD9EkJ2BCOQt7DyV2NGcjYk63L