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: Number Series
Author/Opus: This is the 59th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Fillomino rules.
Answer String: For each cell in the marked rows/columns, enter the area of the polyomino it belongs to. Enter just the last digit for any two-digit number. Start with the 2nd row, followed by a comma, followed by the 10th column.
Time Standards (highlight to view): Grandmaster = 2:30, Master = 3:15, Expert = 6:30