Pentominous by JinHoo Ahn
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: WXY
Author/Opus: This is the 21st puzzle from our contributing puzzlemaster JinHoo Ahn.
Rules: Standard Pentominous rules.
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 4:00, Master = 8:30, Expert = 17:00
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.
Tough.Had to hit and trial a lot !