3f7978a0 ​

input = fill #0 (fill #1 black) |> fold (fold rect) #2
output = #3
(VInt, HInt, OList UList ((VInt, HInt, VInt, HInt), Color), OList OList Color)
(9v, 9h, [{((9v, 2h, 9v, 2h), teal), ((2v, 9h, 2v, 9h), teal), ((8v, 8h, 8v, 8h), teal), ((8v, 4h, 8v, 4h), teal), ((6v, 6h, 6v, 6h), teal), ((6v, 2h, 6v, 2h), teal), ((4v, 8h, 4v, 8h), teal), ((4v, 4h, 4v, 4h), teal), ((3v, 6h, 5v, 6h), grey), ((3v, 2h, 5v, 2h), grey), ((2v, 6h, 2v, 6h), teal), ((2v, 2h, 2v, 2h), teal)}], [[teal, black, black, black, teal], [grey, black, black, black, grey], [grey, black, teal, black, grey], [grey, black, black, black, grey], [teal, black, black, black, teal]])
(9v, 11h, [{((4v, 10h, 9v, 11h), black)}, {((9v, 9h, 9v, 10h), teal), ((8v, 9h, 9v, 9h), teal), ((3v, 10h, 3v, 11h), teal), ((2v, 11h, 3v, 11h), teal), ((9v, 2h, 9v, 2h), teal), ((5v, 1h, 5v, 1h), teal), ((1v, 2h, 1v, 2h), teal), ((8v, 5h, 8v, 5h), teal), ((8v, 3h, 8v, 3h), teal), ((6v, 6h, 6v, 7h), teal), ((5v, 9h, 7v, 9h), grey), ((5v, 3h, 7v, 3h), grey), ((4v, 9h, 4v, 9h), teal), ((4v, 3h, 4v, 3h), teal), ((2v, 7h, 2v, 7h), teal), ((2v, 3h, 2v, 3h), teal)}], [[teal, black, black, black, black, black, teal], [grey, black, black, black, black, black, grey], [grey, black, black, teal, teal, black, grey], [grey, black, black, black, black, black, grey], [teal, black, teal, black, black, black, teal]])
(11v, 13h, [{((11v, 9h, 11v, 9h), teal), ((1v, 10h, 1v, 11h), teal), ((10v, 8h, 10v, 8h), teal), ((10v, 3h, 10v, 4h), teal), ((8v, 11h, 9v, 11h), teal), ((8v, 8h, 8v, 8h), teal), ((8v, 4h, 8v, 4h), teal), ((7v, 6h, 7v, 6h), teal), ((7v, 3h, 7v, 3h), teal), ((6v, 9h, 6v, 9h), teal), ((5v, 6h, 5v, 6h), teal), ((5v, 3h, 5v, 3h), teal), ((4v, 10h, 4v, 10h), teal), ((4v, 8h, 7v, 8h), grey), ((4v, 4h, 7v, 4h), grey), ((3v, 8h, 3v, 8h), teal), ((3v, 4h, 3v, 4h), teal)}], [[teal, black, black, black, teal], [grey, black, black, black, grey], [grey, black, teal, black, grey], [grey, black, black, black, grey], [grey, black, teal, black, grey], [teal, black, black, black, teal]])
(14v, 13h, [{((9v, 3h, 9v, 5h), teal)}, {((14v, 13h, 14v, 13h), teal), ((13v, 1h, 13v, 1h), teal), ((11v, 13h, 11v, 13h), teal), ((9v, 13h, 9v, 13h), teal), ((5v, 13h, 5v, 13h), teal), ((5v, 1h, 12v, 1h), grey), ((4v, 1h, 4v, 1h), teal), ((1v, 1h, 1v, 1h), teal), ((13v, 4h, 13v, 4h), teal), ((12v, 8h, 12v, 8h), teal), ((11v, 11h, 11v, 11h), teal), ((11v, 2h, 11v, 2h), teal), ((10v, 6h, 10v, 6h), teal), ((8v, 10h, 8v, 10h), teal), ((8v, 7h, 8v, 7h), teal), ((5v, 4h, 12v, 4h), grey), ((5v, 2h, 5v, 2h), teal), ((4v, 4h, 4v, 4h), teal), ((3v, 9h, 3v, 9h), teal)}], ?)