3 [0, 0, 0, 0.5, 0.5] 5 2 2 2 [0, 0, 2, 0.5, 0.5] 5 1 2 1 [0, 4, 2, 0.5, 0.5] 5 0 2 0 [6, 4, 2, 0.5, 0.5] 6