As requested, a puzzle post! Straight from the WTF-variant department. Quite hard. This is a Fillomino, with the additional constraint that for each polyomino, there must not exist a path
(i.e. a sequence of cells, each orthogonally adjacent to the next
) that includes each of the polyomino’s cells exactly once
(and does not include cells […]
Posted in puzzles, fillomino, logic, nikoli, puzzle