Dr. Sudoku Prescribes #130 – Cave
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: 4×4×4 – a puzzle with symmetric odd clue squares along the main diagonal.
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 = 5:15, Master = 8:15, Expert = 16:30
Solution: PDF
Note: Follow this link for other classic Caves. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on.
21:39