Optimal solution to COVRP instance B-52-7:
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Route = 3 31 24 28 11 21 14 39, Demand = 79, RLen = 83.224623
Route = 4 45 23 12 50 22 26 17 49, Demand = 100, RLen = 94.355602
Route = 33 35 7 43 2, Demand = 58, RLen = 85.984409
Route = 40 42 20 30 18 1, Demand = 87, RLen = 36.279569
Route = 41 25 36 6 47 37, Demand = 85, RLen = 29.246316
Route = 44 10 29 51 27 8 5, Demand = 98, RLen = 33.676044
Route = 48 38 9 16 46 13 34 32 19 15, Demand = 99, RLen = 78.426863
Sum of route lengths = 441.193426
CAP = 100
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