[This is a repost from our archives with new notes at the top (original post here): The first set of Masyu puzzles ends with a grid that almost has “twisted” symmetry meaning antisymmetry of white and black circles. Several less conventional steps are required to find the one true loop in this challenging Masyu.]

PDF

or solve online (using our beta test of Penpa-Edit tools in linex mode where left click+drag draws lines and right click marks X’s)

Theme: Almost Twisted! – Slightly imperfect, but more difficult as a result.

Rules: Standard Masyu rules.

Estimated Difficulty*: 2.5 stars

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00

Solution: PDF and solving video; advice on solving this puzzle was also posted in “Ask Dr. Sudoku #5“.

Note: Follow this link for classic Masyu and this link for Masyu variations. If you are new to this puzzle type, here are our easiest Masyu to get started on. More Masyu puzzles can be found in The Art of Puzzles and in our beginner-friendly book Logic Puzzles 101.