[问答题]
A postman starts at the Post Office loca urwvs7c7u;v5 j7f:fe, p0uo pted atclvix h rmcf,z r18xy3,w l5ua .)/;hs O and needs to travel along every road illustrated by the edges in the graph below. The numbers on the graph represent distances in kilometres of the road)h ,cxrl3 hc/iyl f.r,azwsx 15mv;u8 s.
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.