Appearance
4c4377d9 ​
arc
let g: OList OList Color
let input = g
let output = g
|> λg. flat [rev g, g]composer
input = [#0, #1, #2]
output = #3
(OList Color, OList Color, OList Color, OList OList Color)
([brown, brown, grey, brown], [grey, grey, brown, brown], [brown, grey, brown, brown], [[brown, grey, brown, brown], [grey, grey, brown, brown], [brown, brown, grey, brown], [brown, brown, grey, brown], [grey, grey, brown, brown], [brown, grey, brown, brown]])
([yellow, blue, blue, yellow], [blue, blue, blue, blue], [yellow, yellow, yellow, blue], [[yellow, yellow, yellow, blue], [blue, blue, blue, blue], [yellow, blue, blue, yellow], [yellow, blue, blue, yellow], [blue, blue, blue, blue], [yellow, yellow, yellow, blue]])
([brown, yellow, brown, yellow], [brown, brown, yellow, yellow], [yellow, yellow, yellow, yellow], [[yellow, yellow, yellow, yellow], [brown, brown, yellow, yellow], [brown, yellow, brown, yellow], [brown, yellow, brown, yellow], [brown, brown, yellow, yellow], [yellow, yellow, yellow, yellow]])
([green, green, grey, grey], [green, grey, grey, green], [grey, grey, green, green], [[grey, grey, green, green], [green, grey, grey, green], [green, green, grey, grey], [green, green, grey, grey], [green, grey, grey, green], [grey, grey, green, green]])
([yellow, yellow, brown, brown], [yellow, yellow, yellow, yellow], [yellow, yellow, brown, brown], ?)