[问答题]
A postman starts at thehy/wcf t pvyuc770s))vn) e)l Post Office located at O and need:eqh2 vm+k 9yvs to travel along every road illustrated by the edges in the graph below. The number:vvhe +kymq29s 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.
