This is a free “warm-up” puzzle; Season 4 subscribers will see today’s main puzzle in the same style posted at 9:05 AM PT.

PDF

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 shading mode.)

Theme: Triplets

Author/Opus: This is the 120th puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Variation of Araf rules. Divide the grid into some regions formed of edge-adjacent squares. Each cell is part of one region, and each region should contain either one or two given numbers. If a region contains only one number, the area of that region must be represented by that number. If a region contains two numbers, the area of the region is strictly between those numbers.

Difficulty: 1 star

Time Standards (highlight to view): Grandmaster = 0:30, Master = 1:00, Expert = 2:00

Solution: PDF and solving animation.

Note: Follow this link for more Araf puzzles on this website. If you are new to this puzzle type, here are our easiest Araf Puzzles to get started on. More Araf puzzles can be found in the ebook Araf by Serkan Yürekli.

Note 2: Comments on the blog are great! For a more interactive discussion, please also consider using our Week 3 Discussion post on the GMPuzzles Discord.