Pentominous by Carl Worth
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: Just One (in Roman Numerals)
Author/Opus: This is the 20th puzzle from our contributing puzzlemaster Carl Worth.
Rules: Standard Pentominous rules.
Answer String: Enter the letter associated with the pentomino occupying each cell in the marked rows from left to right and in the marked columns from top to bottom, separating the groups with a comma. Use CAPITAL LETTERS!
Time Standards (highlight to view): Grandmaster = 5:45, Master = 7:45, Expert = 15:30
Solution: PDF
Note: Follow this link for other Pentominous puzzles. If you are new to this puzzle type, here are our easiest Pentominous to get started on.
Very good puzzle. The theme is very strong and the solving path is moderately difficult and very satisfying.