(offset 
.(vabs wood) 
.(scale 8.936794083071376 
..(scale 8.053170372008376 
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....(scale 1.4204384461405266 
.....(vsin 
......(v+ 
.......(vmax 
........(offset 6.426276462157827 
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..........(gradient 
...........(z 
............(offset 
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..............(saturation-from-rgb -1.8355)) 
.............(height 
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........(z 
.........(gradient 
..........(offset 
...........(green-from-hsl velvet) 
...........(height 
............(vabs 
.............(z -1.8355))))))) [0.4061 -0.1928 -1.0101 0.2881])))))))