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.......(vfloor [3.7318577870732668 -4.086477081749095]) 
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..........(z 
...........(hsl-from-rgb 
............(adjust-hsl 
.............(sigmoid [-2.4579 1.6986 2.5909]) pos))))) 
........(height-normal 
.........(average velvet 
..........(checker 
...........(sigmoid [-2.4579 1.6986 2.5909]) wood)))))) 
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.......(hsl-from-rgb 
........(adjust-hsl 
.........(sigmoid [-2.4579 1.6986 2.5909]) pos))) 
......(checker 
.......(sigmoid [-2.4579 1.6986 2.5909]) wood)))))))