Optimal solution to COVRP instance B-43-6:
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Route = 4 35 41 40, Demand = 44, RLen = 20.708204
Route = 9 17 7 16 15 38 36, Demand = 99, RLen = 64.460130
Route = 10 31 12 8 2 23 1, Demand = 93, RLen = 70.250430
Route = 26 39 34 42 6 24 22, Demand = 90, RLen = 94.101827
Route = 27 25 32 29 30 13 11 3, Demand = 97, RLen = 64.180414
Route = 33 20 21 5 18 19 14 28 37, Demand = 98, RLen = 114.466458
Sum of route lengths = 428.167462
CAP = 100
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