--------------------------------------------------------------
4.0 | 15 12 9 7 6 4 3 2
3.2 | 11 15 11 8 7 5 4 3
2.4 | 15 13 10 8 6 4 3
1.6 | 13 15 11 9 7 5 4
0.8 | 14 13 10 8 6 5
0.0 | 14 15 12 9 7 5
-0.8 | 14 14 10 8 7
-1.6 | 14 12 10 8
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-1.6 -0.8 0.0 0.8 1.6 2.4 3.2 4.0