0 0 0 0 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
4 4 4 4 3 3 3 3 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
0 0 0 0 3 3 3 3 2 2 2 2 3 3 3 3 4 4 4 4 5 5 5 5
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0