Optimal solution to COVRP instance E-76-8:
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Route = 4 45 29 48 47 21 61, Demand = 146, RLen = 48.296652
Route = 6 33 73 1 43 42 41 56 23 49 24, Demand = 178, RLen = 77.307814
Route = 12 40 9 39 72 58 10 31, Demand = 167, RLen = 60.607653
Route = 17 51 63 16 3 44 32 50 18 25 55, Demand = 174, RLen = 84.524112
Route = 26 7 35 53 11 66 65 38, Demand = 172, RLen = 55.491840
Route = 52 27 13 57 15 5 37 20 70 60 71 36 69, Demand = 174, RLen = 89.192367
Route = 67 34 46 8 54 19 14 59, Demand = 178, RLen = 58.887979
Route = 75 68 2 30 74 28 62 22 64, Demand = 175, RLen = 62.930427
Sum of route lengths = 537.238844
CAP = 180
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