Theme: Symmetry and Logic
Author/Opus: This is the 98th puzzle from our contributing puzzlemaster Serkan Yürekli.
Rules: Standard Isodoku rules, using numbers 1-8.
Answer String: Enter the 5th “row” from left to right, followed by a comma, followed by the 7th “row” from left to right.
Time Standards (highlight to view): Grandmaster = 3:30, Master = 4:15, Expert = 8:30