0 0 0 1 0.5 0 2 1 0 3 1.5 0 4 2 0 5 2.5 0 6 3 0 7 3.5 0 8 4 0 9 4.5 0 0 0 0 1 0.5 0 2 1 0 3 1.5 0 4 2 0 5 2.5 0 6 3 0 7 3.5 0 8 4 0 9 4.5 0