6455b5f5 ​

input = fill #0 (fill #1 red) |> fold rect #2
output = fill #0 (fill #1 red) |> fold rect #3
(VInt, HInt, UList ((VInt, HInt, VInt, HInt), Color), UList ((VInt, HInt, VInt, HInt), Color))
(18v, 13h, {((11v, 4h, 18v, 13h), black), ((11v, 1h, 18v, 2h), black), ((9v, 13h, 9v, 13h), black), ((5v, 11h, 7v, 13h), black), ((3v, 1h, 9v, 1h), black), ((1v, 8h, 3v, 13h), black), ((1v, 3h, 5v, 6h), black), ((1v, 1h, 1v, 1h), black), ((9v, 8h, 9v, 11h), black), ((7v, 3h, 9v, 6h), black), ((5v, 8h, 7v, 9h), black)}, {((11v, 4h, 18v, 13h), blue), ((11v, 1h, 18v, 2h), black), ((9v, 13h, 9v, 13h), teal), ((5v, 11h, 7v, 13h), black), ((3v, 1h, 9v, 1h), black), ((1v, 8h, 3v, 13h), black), ((1v, 3h, 5v, 6h), black), ((1v, 1h, 1v, 1h), teal), ((9v, 8h, 9v, 11h), black), ((7v, 3h, 9v, 6h), black), ((5v, 8h, 7v, 9h), black)})
(11v, 13h, {((7v, 1h, 11v, 4h), black), ((3v, 6h, 11v, 13h), black), ((1v, 6h, 1v, 13h), black), ((1v, 1h, 5v, 4h), black)}, {((7v, 1h, 11v, 4h), black), ((3v, 6h, 11v, 13h), blue), ((1v, 6h, 1v, 13h), teal), ((1v, 1h, 5v, 4h), black)})
(11v, 16h, {((9v, 12h, 11v, 16h), black), ((9v, 9h, 11v, 10h), black), ((7v, 1h, 11v, 7h), black), ((1v, 9h, 7v, 16h), black), ((1v, 5h, 2v, 7h), black), ((1v, 1h, 5v, 3h), black), ((4v, 5h, 5v, 7h), black)}, {((9v, 12h, 11v, 16h), black), ((9v, 9h, 11v, 10h), teal), ((7v, 1h, 11v, 7h), black), ((1v, 9h, 7v, 16h), blue), ((1v, 5h, 2v, 7h), teal), ((1v, 1h, 5v, 3h), black), ((4v, 5h, 5v, 7h), teal)})
(15v, 16h, {((12v, 14h, 15v, 16h), black), ((11v, 1h, 15v, 2h), black), ((6v, 4h, 15v, 12h), black), ((6v, 1h, 9v, 2h), black), ((4v, 14h, 10v, 16h), black), ((1v, 14h, 2v, 16h), black), ((1v, 5h, 4v, 12h), black), ((1v, 1h, 4v, 3h), black)}, {((12v, 14h, 15v, 16h), black), ((11v, 1h, 15v, 2h), black), ((6v, 4h, 15v, 12h), blue), ((6v, 1h, 9v, 2h), black), ((4v, 14h, 10v, 16h), black), ((1v, 14h, 2v, 16h), teal), ((1v, 5h, 4v, 12h), black), ((1v, 1h, 4v, 3h), black)})
(13v, 16h, {((13v, 1h, 13v, 3h), black), ((11v, 14h, 13v, 16h), black), ((11v, 12h, 13v, 12h), black), ((11v, 5h, 13v, 10h), black), ((11v, 1h, 11v, 3h), black), ((6v, 12h, 9v, 16h), black), ((4v, 1h, 9v, 10h), black), ((1v, 12h, 4v, 16h), black), ((1v, 1h, 2v, 10h), black)}, ?)