Theme: Clue Symmetry and Logic (Originally on 2017 Brand’s Sudoku Open)
Author/Opus: This is the 168th puzzle from our contributing puzzlemaster Serkan Yürekli.
Rules: Standard Sudoku rules. Also, the sum of the digits in each cage must equal the value given in the upper-left corner of that cage. Digits cannot repeat inside a cage.
Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 7th row from left to right.
Time Standards (highlight to view): Grandmaster = 7:00, Master = 12:00, Expert = 24:00