Araf (Different Neighbors) by Serkan Yürekli
or solve online (using our beta test of Penpa-Edit tools; use tab to alternate between a composite mode for line/edge drawing and a shading mode.)
Theme: Clue Symmetry and Logic
Author/Opus: This is the 47th puzzle from our contributing puzzlemaster Serkan Yürekli.
Rules: Standard Araf rules. Also, no two regions with the same size can share an edge. (Note: this is the same rule as in Fillomino puzzles where no equal size polyominoes can touch.)
Answer String: Enter the number of cells in each connected group (between bold lines) in the marked rows.
Time Standards (highlight to view): Grandmaster = 4:00, Master = 7:00, Expert = 14:00
Solution: PDF
Note: Araf is a relatively new puzzle for us on GMPuzzles. Follow this link for other Araf. An example image for a “classic” Araf puzzle is here.
On this kind of puzzle, just the notation alone is a killer.
Awesome Puzzle.
Liked the logic a lot, taking that 9-11 pair to 10 was awesome.
Expecting more ARAF DIfferent NEighbours in future 🙂
Holy heck, that was a hard one. Fun, though.
Very tough !