Optimal solution to COVRP instance B-56-7:
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Route = 1 52 27 16 35 21 26, Demand = 77, RLen = 40.508785
Route = 3 13 33 2 34 30 54 31 20 55 11, Demand = 96, RLen = 72.985580
Route = 18 46 8 17 51 44 14 40, Demand = 100, RLen = 74.389405
Route = 25 53 6 24 42 47 39 4, Demand = 92, RLen = 35.001908
Route = 43 10 28 5 12 23 50 22 38 9, Demand = 99, RLen = 107.438967
Route = 45 41 29 37 15 7 19, Demand = 95, RLen = 64.761241
Route = 48 36 49 32, Demand = 57, RLen = 25.399017
Sum of route lengths = 420.484903
CAP = 100
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