Slitherlink by Walker Anderson
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: Clue Symmetry and Logic
Author/Opus: This is the 3rd puzzle from guest contributor Walker Anderson.
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 = 7:00, Master = 15:00, Expert = 30:00
Solution: PDF; a solution video is available here.
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.
Walker pointed me to a trick for this puzzle after I solved it (and after I recorded my own walkthrough for it) that is pretty cute:
Lbh pna svyy va fbzr “zvffvat” qvtvgf ba gur hccre-yrsg gb ybjre-evtug qvntbany ol pbafvqrevat gur fheebhaqvat ahzoref.
Ybbx ng ebj guerr pbyhza guerr va gur chmmyr. Vs n pyhr jrag va gung fcnpr, jung jbhyq vg or? Vg unf gb or n gjb orpnhfr bs gur guerrf naq mrebrf ba gur hccre yrsg naq ybjre evtug… Gur fnzr gevpx jbexf jvgu ebj rvtug pbyhza rvtug nf jryy juvpu pna or fubja gb or n gjb pyhr sebz univat bar ybbc raq ragrevat sebz gur hccre yrsg naq nabgure ybbc raq ragrevat sebz gur ybjre evtug. Jvgu guvf gjb va gur tevq, gur fbyir vf zhpu rnfvre.
That’s really neat, great puzzle!
Took probably more than an hour for me.
It’s nice to see a new tactic (for me) in this puzzle.
gur fdhner bs sbhe guerrf pna or n tbbq fgneg gb qrevivat gur ehyr