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? oa/0/aYl06XDCoZVyOGLoF2yhCH+CID8fbMU04pDPtW7p+Q7OlShBcatwWVJOySl