9a4bb226 ​

input = fill 15v (fill 15h black) |> fold (fold rect) #0
output = [[#1, #2, #3], [#4, #5, #6], [#7, #8, #9]]
(OList UList ((VInt, HInt, VInt, HInt), Color), Color, Color, Color, Color, Color, Color, Color, Color, Color)
([{((10v, 3h, 12v, 5h), green), ((8v, 10h, 9v, 11h), red), ((3v, 10h, 5v, 11h), yellow), ((3v, 3h, 5v, 5h), brown)}, {((12v, 3h, 12v, 4h), fuschia), ((10v, 4h, 10v, 5h), fuschia), ((9v, 10h, 9v, 10h), green), ((7v, 10h, 7v, 11h), green), ((7v, 9h, 9v, 9h), blue), ((4v, 11h, 4v, 11h), orange), ((4v, 3h, 5v, 4h), teal), ((3v, 9h, 5v, 9h), orange)}], blue, green, green, blue, red, red, blue, green, red)
([{((6v, 9h, 7v, 10h), yellow), ((11v, 4h, 13v, 6h), red), ((11v, 8h, 12v, 10h), orange), ((10v, 8h, 10v, 10h), blue)}, {((7v, 10h, 7v, 11h), brown), ((5v, 11h, 7v, 11h), brown), ((5v, 9h, 5v, 11h), brown), ((13v, 6h, 13v, 6h), green), ((13v, 4h, 13v, 4h), green), ((11v, 4h, 11v, 4h), green), ((10v, 9h, 10v, 9h), orange), ((5v, 5h, 5v, 6h), grey), ((4v, 5h, 4v, 6h), teal), ((4v, 4h, 5v, 4h), fuschia), ((3v, 4h, 3v, 6h), grey), ((11v, 9h, 11v, 9h), blue)}], grey, grey, grey, fuschia, teal, teal, fuschia, grey, grey)
([{((3v, 10h, 5v, 10h), fuschia)}, {((3v, 4h, 4v, 5h), orange), ((11v, 9h, 12v, 10h), yellow), ((10v, 10h, 11v, 11h), yellow), ((8v, 3h, 10v, 5h), green), ((4v, 10h, 5v, 11h), blue)}, {((2v, 5h, 3v, 5h), grey), ((2v, 4h, 2v, 5h), grey), ((12v, 11h, 12v, 11h), brown), ((10v, 9h, 10v, 9h), brown), ((10v, 3h, 10v, 3h), teal), ((9v, 5h, 9v, 5h), teal), ((8v, 3h, 8v, 3h), teal), ((5v, 9h, 5v, 9h), red), ((4v, 9h, 4v, 9h), fuschia), ((3v, 11h, 3v, 11h), red), ((3v, 9h, 3v, 9h), blue), ((3v, 3h, 4v, 3h), grey), ((2v, 3h, 2v, 3h), orange), ((11v, 10h, 11v, 10h), brown)}], blue, fuschia, red, fuschia, blue, blue, red, fuschia, blue)
([{((7v, 9h, 9v, 11h), grey), ((9v, 3h, 10v, 5h), yellow), ((2v, 9h, 4v, 9h), orange), ((2v, 3h, 4v, 5h), green), ((2v, 10h, 3v, 11h), orange)}, {((11v, 3h, 11v, 5h), red), ((9v, 11h, 9v, 11h), teal), ((9v, 3h, 9v, 3h), brown), ((7v, 9h, 7v, 10h), teal), ((4v, 10h, 4v, 11h), blue), ((4v, 5h, 4v, 5h), fuschia), ((4v, 3h, 4v, 3h), fuschia), ((3v, 9h, 3v, 9h), blue), ((2v, 10h, 2v, 10h), blue), ((2v, 4h, 2v, 5h), fuschia)}], ?, ?, ?, ?, ?, ?, ?, ?, ?)