aedd82e4 ​

input = #0
output = #1
(OList OList Color, OList OList Color)
([[black, red, red], [black, red, red], [red, black, black]], [[black, red, red], [black, red, red], [blue, black, black]])
([[red, red, red, black], [black, red, black, black], [black, black, black, red], [black, red, black, black]], [[red, red, red, black], [black, red, black, black], [black, black, black, blue], [black, blue, black, black]])
([[red, red, black, black], [black, red, black, black], [red, red, black, red], [black, black, black, black], [black, red, red, red]], [[red, red, black, black], [black, red, black, black], [red, red, black, blue], [black, black, black, black], [black, red, red, red]])
([[red, red, black], [red, black, red], [black, red, black]], [[red, red, black], [red, black, blue], [black, blue, black]])
([[red, red, black, red], [black, red, black, black], [black, black, red, black], [red, black, black, black], [black, black, red, red]], ?)