Fillomino by Grant Fikes
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: Small Straights
Author/Opus: This is the 397th puzzle from our contributing puzzlemaster Grant Fikes.
Rules: Standard Fillomino rules.
Difficulty: 1 star
Time Standards (highlight to view): Grandmaster = 0:40, Master = 1:00, Expert = 2:00
Solution: PDF and solving video.
Note: Follow this link for classic Fillomino and this link for Fillomino variations. If you are new to this puzzle type, here are our easiest Fillomino puzzles to get started on. More Fillomino puzzles can be found in The Art of Puzzles, in Fill o’ Fillomino and Fill o’ Fillomino 2 by Grant Fikes, and in our beginner-friendly books Logic Puzzles 101 and Starter Pack 1: Fillomino.
Really impressive how fast master solvers can get! After solving this, I went back to solving it from scratch. Even knowing the solution, I was still unable to get it close to 40 seconds!