Fillomino (Cipher) by Palmer Mebane
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: Tic-Tac-Toe
Author/Opus: This is the 34th puzzle from our contributing puzzlemaster Palmer Mebane.
Rules: Standard Fillomino rules. Also, each letter represents a different positive integer.
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 3rd row, followed by a comma, followed by the 6th row. (For this puzzle, use the integer values of the area, not the encoded letters.)
Time Standards (highlight to view): Grandmaster = 6:30, Master = 11:00, Expert = 22:00
Solution: PDF; a solution video is available here.
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.