or solve online (using our beta test of Penpa-Edit tools; use tab to shift between shading mode and the linex mode where left click+drag draws lines and right click marks X’s)
Theme: Clue Symmetry and Logic (for patron Veep)
Author/Opus: This is the 125th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Variation of Cave. Number clues give the total count of cells connected diagonally to a numbered cell including the cell itself. Also, there can be no 2×2 area fully inside the cave.
Answer String: Enter the length in cells of each of the cave 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 = 4:15, Master = 5:45, Expert = 11:30