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..(scale velvet 
...(offset 
....(vabs wood) 
....(scale 8.936794083071376 
.....(scale 8.053170372008376 
......(vdivide wood 
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.........(v+ 
..........(vmax 
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............(rgb-from-hsl 
.............(gradient 
..............(z 
...............(offset 
................(alpha 
.................(saturation-from-rgb -1.8355)) 
................(height 
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..................(green-from-hsl velvet)))))))) 
...........(z 
............(gradient 
.............(offset 
..............(green-from-hsl velvet) 
..............(height 
...............(vabs 
................(z velvet))))))) [0.4061 -0.1928 -1.0101 0.2881]))))))))))