or solve online (using our beta test of Penpa-Edit tools using a composite mode where left click inside cell shades square, left click + drag draws line segment, right click inside cell adds dot, and right click on cell edge adds an x.)
Theme: 4×4 Grid
Author/Opus: This is the 11th puzzle from guest contributor David Altizio.
Rules: Standard Yajilin rules.
Difficulty: 4 stars
Time Standards (highlight to view): Grandmaster = 7:00, Master = 9:45, Expert = 19:30
Note: Follow this link for classic Yajilin and this link for Yajilin variations. If you are new to this puzzle type, here are our easiest Yajilin to get started on. More Yajilin puzzles can be found in The Art of Puzzles 2, in Yajilin by Murat Can Tonta and Prasanna Seshadri, and in our beginner-friendly book Logic Puzzles 101.