View image directly for a large format.
or solve online (using our beta test of Penpa-Edit tools)
Theme: No Extra Numbers
Author/Opus: This is the 29th puzzle from our contributing puzzlemaster Palmer Mebane.
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 = 3:30, Master = 5:15, Expert = 10:30