--------------------------------------------------------------
1.0 | 2 2 1 1 2 2 2 2
0.8 | 2 2 1 1 1 2 2 2
0.6 | 2 1 1 1 2 2 2
0.4 | 2 1 1 2 2 2 2
0.2 | 1 1 2 2 2 2
0.0 | 1 1 2 2 2 2
-0.2 | 2 2 2 2 2
-0.4 | 2 2 3 3
--------------------------------------------------------------
-0.4 -0.2 0.0 0.2 0.4 0.6 0.8 1.0