(offset 
.(turbulate flecks 
..(lightness-from-rgb 
...(blue-from-hsl 
....(vmod 
.....(vfloor 
......(adjust-hsl pos 
.......(saturation-from-rgb 
........(vsin [2.5154 2.5032 -2.5399 -1.5973])))) 
.....(radius 
......(vcos 
.......(alpha 
........(height [-0.4292 -2.0473 -1.9442 -0.4827])))))))) 
.(scale 3.744710259287348 
..(v+ wood 
...(scale 
....(gradient 
.....(polar spots)) 
....(v- 
.....(z blotches) pos)))))