From the Foxger’s Den #61: Pentominous
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 letter entry mode.)
Theme: Logical
Rules: Variation of Fillomino rules where regions with the same shape must avoid each other instead of regions with the same size (all regions in a pentominous puzzle are pentominoes). See an earlier Pentominous puzzle here.
Specifically, divide the grid into 45 pentominoes so that no two pentominoes of the same shape (including rotations/reflections) share an edge. A cell with a letter in it must be part of the pentomino shape normally associated with that letter as given below the grid. Not all pentomino shapes need appear.
Answer String: Enter the letter associated with the pentomino occupying each cell in the marked rows from left to right, separating the rows with a comma. Use CAPITAL LETTERS!
Time Standards (highlight to view): Grandmaster = 6:30, Master = 10:30, Expert = 21:00
Solution: PDF
Note: Follow this link for other puzzles involving Pentominoes.