This is an interesting variant that I saw in a few places, including GM Puzzles and the 24HPC. I feel like there’s a lot that I can do with this type.
P.S. New WordPress editor is trash. It doesn’t let you copy a post like the old one. Good thing the old editor is still available via some arcane URL.
Standard Fillomino rules. Additionally, it must be possible to shade some regions so that no two regions of the same colour are adjacent to each other.