0.00000 0.74902 1.00000 0.60000
0.25000 0.87451 0.77647 0.64706
0.50000 1.00000 0.54902 0.69804
0.75000 0.50196 0.69804 0.60392
1.00000 0.00000 0.85098 0.50980