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Theme: Nothing Unusual to See Here
Author/Opus: This is the 379th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Variation of Kakuro Rules. Exactly one digit must appear twice in each entry (i.e., group of cells connected horizontally or vertically without any black cells between). All other digits must not repeat within an entry.
Difficulty: 4.5 stars
Time Standards (highlight to view): Grandmaster = 9:00, Master = 15:45, Expert = 31:30