Optimal solution to COVRP instance A-32-5:
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Route = 6 3 2 23 28 4 11, Demand = 95, RLen = 129.035876
Route = 20 5 25 10 29 15 22 9 18 8, Demand = 98, RLen = 191.171222
Route = 26 7 13 21 31 19 17, Demand = 98, RLen = 86.013172
Route = 27 24 14, Demand = 47, RLen = 37.023768
Route = 30 16 12 1, Demand = 72, RLen = 44.061740
Sum of route lengths = 487.305779
CAP = 100
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