Castle Wall by Prasanna Seshadri
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: Clue Symmetry and Logic
Author/Opus: This is the 56th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Castle Wall rules.
Answer String: Enter the length in cells of the horizontal loop segments from left to right in the marked rows, starting at the top. If the loop only has vertical segments in the marked row, enter 0. Separate each row’s entry with a comma.
Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:30, Expert = 3:00
Solution: PDF
Note: This is our first week of Castle Wall puzzles. You can find other Castle Walls from their inventor Palmer Mebane here.
4:11
What a fun puzzle. It’s a clever construction to have the solver satisfy all of the numeric givens so early, (but determining a very small number of cells). And then the single containment constraint determines everything else.
8:33.Interesting puzzle where after a bit of logic ,the end seems to be very abrupt