[问答题]
A postman starts at the Post Office located at O and needs to traveti/ sy6h 8p2i-9k,ri oewygh *l along eve;uk( reak 8u.dry road illustrated by the edges in the graph below. The numbers on the graph represen u(d;rkak8.eu t 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.
