Yajilin (Masyu) by Chandrachud Nanduri
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: Divided by 1
Author/Opus: This is the 2nd puzzle from guest contributor Chandrachud Nanduri.
Rules: Standard Yajilin rules. Also, the loop must go straight through the cells with white circles, with a turn in at least one of the cells immediately before/after each white circle. The loop must make a turn in all the black circles, but must go straight in both cells immediately before/after each black circle.
Difficulty: 2.5 stars
Time Standards (highlight to view): Grandmaster = 2:00, Master = 3:30, Expert = 7:00
Solution: PDF and solving video.
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.