Optimal solution to COVRP instance A-37-5:
------------------------------------------------------------------
Route = 1 12 17 14 23 24 9 8 27 11, Demand = 99, RLen = 126.540459
Route = 3 25 35 18, Demand = 34, RLen = 73.557725
Route = 15 34 36 29 32 28 31 26 30, Demand = 92, RLen = 71.778161
Route = 21 16 7 4 33 5 6, Demand = 97, RLen = 114.998991
Route = 22 13 10 2 19 20, Demand = 85, RLen = 99.367199
Sum of route lengths = 486.242535
CAP = 100
------------------------------------------------------------------