Optimal solution to COVRP instance P-40-5:
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Route = 11 16 2 29 20 3 35 36, Demand = 137, RLen = 73.633747
Route = 12 5 38 9 30 34 21, Demand = 129, RLen = 55.881850
Route = 18 4 17 37 15 33 10 39, Demand = 114, RLen = 76.051441
Route = 27 6 14 25 13 19, Demand = 111, RLen = 61.329291
Route = 32 1 22 28 31 8 26 7 23 24, Demand = 127, RLen = 82.655992
Sum of route lengths = 349.552321
CAP = 140
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