Nanro by Mystery Author
or solve online (using our beta test of Penpa-Edit tools; use the tab key to alternate between shading and number entry modes)
Theme: Question Marks — who is the author? (the shading is just for artistic purposes)
Author/Opus: This is the 4th puzzle from our new contributing puzzlemaster who will be identified tomorrow. [ETA: The author has been revealed as Prasanna Seshadri.]
Answer String: Enter the length in cells of each of the segments labeled with numbers from left to right for the marked rows, starting at the top. Separate each row’s entry from the next with a comma.
Time Standards (highlight to view): Grandmaster = 3:15, Master = 4:30, Expert = 9:00
Solution: PDF
Note: This is our second Nanro puzzle, so if you are new to this puzzle type please also try out the example on the Rules and Info page as well as our earlier Nanro post first.