Pentominous (Borders) by Jonas Gleim
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: PENTOMINO
Author/Opus: This is the 6th puzzle from guest contributor Jonas Gleim.
Rules: Variation of Pentominous rules. Some borders between pentominoes are already drawn.
Difficulty: 3 stars
Time Standards (highlight to view): Grandmaster = 4:00, Master = 5:30, Expert = 11:00
Solution: PDF; a solution video is also available here.
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. More Pentominous puzzles can be found in the Plenty o’ Pentominous series by Grant Fikes and Murat Can Tonta and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.
Superb puzzle … had fun!
12.01 mins to solve this puzzle. Starting was easy but the end was tough and requires many calculations. Very nice puzzle.