1 Solve the Chinese Postman Problem Find the shortest closed
 1) Solve the Chinese Postman Problem (Find the shortest closed walk using each edge at least once)
2) Find all possible RNA chains given the following decomposition
 G-fragments: CACG UG CG AACG G
 UC-fragments: GAAC GC GC GU C AC
Solution
1) Note that there are 4 odd vertices in the graph, D, E, G and H
6 pairings are possible and we need to find the miminum of them
DE = 2, DG = 1, DH = DG + GH = 4
EG = ED + DG = 3, EH = 4
GH = 4
Minimal odd pairing is DG.
Solution to problem is DG + Sum of all the edges in network + DG = 45 + 1 = 46

