Optimal solution to COVRP instance B-68-9:
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Route = 7 21 45 12 48 9 26, Demand = 100, RLen = 98.536030
Route = 15 56 33 1 17 52 20 57 51 61, Demand = 100, RLen = 92.558183
Route = 19 53 38 50 40 55, Demand = 80, RLen = 32.425638
Route = 31 4 60 35 47, Demand = 85, RLen = 45.650136
Route = 41 37 8 2 22 49, Demand = 100, RLen = 93.455183
Route = 42 36 32 6 58 10 24 18 28, Demand = 80, RLen = 102.622344
Route = 63 25 39 23 11 3 29 67, Demand = 98, RLen = 68.133036
Route = 64 27 66 43 46 13, Demand = 94, RLen = 63.062472
Route = 65 5 14 62 54 30 16 59 34 44, Demand = 100, RLen = 105.273752
Sum of route lengths = 701.716771
CAP = 100
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