Optimal solution to COVRP instance E-76-7:
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Route = 4 45 29 48 47 5 37 20 70 60 71 36 69, Demand = 207, RLen = 81.420175
Route = 6 51 16 63 33 73 1 43 42 41 56 23 49 24, Demand = 220, RLen = 95.818141
Route = 17 3 44 32 50 18 25 55, Demand = 132, RLen = 62.351898
Route = 26 12 40 9 39 72 58 10 31, Demand = 185, RLen = 62.417619
Route = 46 8 35 7 53 11 66 65 38, Demand = 197, RLen = 62.342885
Route = 67 34 52 27 15 57 13 54 19 14 59, Demand = 205, RLen = 80.401492
Route = 75 68 2 30 74 21 61 28 62 22 64, Demand = 218, RLen = 85.269581
Sum of route lengths = 530.021792
CAP = 220
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