S  0.0 0.5 0.3   1.0 1.0 1.0  1.0 1.0 1.0
S  0.5 0.5 0.3   1.0 1.0 1.0  1.0 1.0 1.0
S -0.5 0.5 0.3   1.0 1.0 1.0  1.0 1.0 1.0