Optimal solution to COVRP instance P-55-7:
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Route = 2 30 48 47 21 28 22, Demand = 156, RLen = 60.254064
Route = 4 45 29 5 15 20 37 36, Demand = 141, RLen = 58.048075
Route = 6 33 1 43 42 41 23 49 24, Demand = 146, RLen = 70.100296
Route = 7 35 8 19 14 53 11 38, Demand = 170, RLen = 63.820166
Route = 17 51 16 3 44 32 50 18 25, Demand = 156, RLen = 65.037887
Route = 26 12 40 9 39 10 31, Demand = 163, RLen = 58.079523
Route = 34 46 52 27 13 54, Demand = 110, RLen = 36.240491
Sum of route lengths = 411.580503
CAP = 170
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