Optimal solution to COVRP instance A-33-6:
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Route = 1 18 6 7 19, Demand = 85, RLen = 46.406207
Route = 13 5 3 2 20 15 9, Demand = 93, RLen = 96.434316
Route = 21 12, Demand = 91, RLen = 36.798859
Route = 28 25 16 30 27, Demand = 75, RLen = 57.680701
Route = 31 23 24 22 26 4 8, Demand = 98, RLen = 137.904985
Route = 32 10 14 17 11 29, Demand = 99, RLen = 87.208287
Sum of route lengths = 462.433355
CAP = 100
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