Optimal solution to COVRP instance A-69-9:
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Route = 7 67 21 61 64 2 33 49, Demand = 83, RLen = 106.262767
Route = 19 58 22 12 66 23, Demand = 98, RLen = 62.228404
Route = 24 52 37 17 32 10, Demand = 100, RLen = 65.594226
Route = 26 54 46 5 50 16 48 1 36, Demand = 96, RLen = 81.389710
Route = 28 57 42 14 25 11 63, Demand = 76, RLen = 82.523404
Route = 31 18 53 9 30 51 6 3 15 44, Demand = 100, RLen = 94.878268
Route = 34 27 65 55 60 4 47, Demand = 92, RLen = 66.777050
Route = 43 29 40 38 68 13 35 45, Demand = 100, RLen = 102.445756
Route = 62 56 39 8 59 20 41, Demand = 100, RLen = 95.664312
Sum of route lengths = 757.763897
CAP = 100
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