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? emc5zs3mc7Yb7+1E74wuIQkStQluBHugWhmCZ6/c8M4jB0t7D9yQCF9pJyJzamuF