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Theme: Stuck Z
Author/Opus: This is the 319th puzzle from our contributing puzzlemaster Grant Fikes.
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.
Difficulty: 3.5 stars
Time Standards (highlight to view): Grandmaster = 4:00, Master = 6:15, Expert = 12:30