Slitherlink by Thomas Snyder
or solve online (using our beta test of Penpa-Edit tools in edgex mode where left click+drag draws lines and right click marks X’s)
Theme: 0123 (and antisymmetry)
Author/Opus: This is the 194th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Slitherlink rules.
Answer String: Enter the length in cells of each of the internal loop segments from left to right for the marked rows, starting at the top. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 2:30, Master = 3:45, Expert = 7:30
Solution: PDF
Note: Follow this link for other classic Slitherlink. If you are new to this puzzle type, here are our easiest Slitherlink puzzles to get started on.
19m
This slitherlink was far more difficult than I had anticipated, yet still solvable without excessive trial and error. Nice!