(vsin 
.(vfrac 
..(square 
...(adjust-hue 
....(green-from-hsl 
.....(t 1.9197)) 
....(sigmoid 
.....(green-from-hsl 
......(v- 
.......(vmin 
........(turbulate 
.........(vround -0.641) 
.........(green-from-hsl 
..........(v- 
...........(vmin 
............(turbulate 
.............(vround -0.641) [-1.101 1.1987 2.4029 -2.7444]) [0.2303 -2.2603 -0.935]) pos))) [0.2303 -2.2603 -0.935]) pos)))))))