[问答题]
A postman starts at the Post Office logvmsejlz4f/s- b 5-8u ca-9 m t-glsgf+hv,1ov dted at O and needs to travel along every road illustrated by t glo--t 9sh gd1,vmf+vhe edges in the graph below. The numbers on the graph represent distances in kilometres.
1.Find a solution to the Chinese Postman Problem for the graph.
2.Write down the length, in kilometres, of an optimal Chinese postman route.
