makespan 55 after 117 generations (the optimum: 55)
machine 0: jobs [0, 3, 2, 5, 1, 4]
machine 1: jobs [1, 5, 3, 4, 0, 2]
machine 2: jobs [2, 0, 1, 4, 3, 5]
machine 3: jobs [2, 5, 3, 0, 1, 4]
machine 4: jobs [1, 4, 3, 2, 5, 0]
machine 5: jobs [2, 5, 1, 0, 4, 3]
