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 number entry mode.)
Theme: Clue Symmetry and Logic
Author/Opus: This is the 58th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Fillomino rules. Also, only polyominoes of size 1, 2, and 3 can be used.
Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Start with the 1st column, followed by a comma, followed by the 5th column.
Time Standards (highlight to view): Grandmaster = 2:30, Master = 3:30, Expert = 7:00
Note: Follow this link for other classic Fillomino and this link for more variations on Fillomino puzzles. If you are new to this puzzle type, here are our easiest Fillomino puzzles to get started on.
Additional note from 2021: We renamed this puzzle variation to “Restriction” to be more consistent across the site and with our new editorial style.