[问答题]
A postman starts at the Pq4a9 aqak.s (sosv)y* bn u 3)ld)h-vddft Office located at O and needs to travel along every road illustrated by the edges in the graph below. The numbers on the graph represent distances in kilome ndyh )-d))bvdv3fl*utres.
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.