Dr. Sudoku Prescribes #108 – Cave (Hidden Clues)
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)
This is a “Twisted Tuesday” puzzle variation.
Theme: Hidden Clues
Rules: Standard Cave rules. Also, no number may directly connect to/”see” another number within horizontally or vertically connected cells.
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 = 2:15, Master = 3:00, Expert = 6:00
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.
04:20.
Hey, this variation is neat, although probably a difficult sample 😛 The added constraint is used well. Even the opening forces its use.