Masyu by Tom Collyer
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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)
Author/Opus: This is the 46th puzzle from our contributing puzzlemaster Tom Collyer.
Rules: Standard Masyu rules.
Difficulty: 1 star
Time Standards (highlight to view): Grandmaster = 0:45, Master = 1:10, Expert = 2:20
Solution: PDF; a solution video is also available here.
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.
Nice solve … felt it was closer to 2 stars 🙂
When putting Maysu into Penpa, would you consider putting the circles on the corners instead of in the cells and using edgex instead of linex? I often find it helpful to shade the interior and exterior, and as far as I can tell there’s no way to shade corners, only cells.
Hi Dan — one suggestion is to turn “Border” on and then use shapes/other objects to color the corners. There are probably other options within Penpa-Edit to make the kinds of markings you want to do in your own solving style.
In general, for loop puzzles there will always be edge vs line formatting differences for them but we can’t support making all of these interfaces to support individual solving styles. I expect the flexibility of Penpa-Edit should let you define an interface that will be helpful if you do need to do something more than standard linex.