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Theme: Four by Four
Author/Opus: This is the 308th puzzle from Thomas Snyder, aka Dr. Sudoku.
Rules: Standard Consecutive Pairs Sudoku rules. (If a gray circle is given between two adjacent cells, then the two numbers in those cells must be consecutive. Note not all gray circles are given; adjacent cells without a circle may contain either consecutive numbers or nonconsecutive numbers.)
Answer String: Enter the 2nd row from left to right, followed by a comma, followed by the 8th row from left to right.
Time Standards (highlight to view): Grandmaster = 2:45, Master = 4:00, Expert = 8:00
Note: Follow this link for Consecutive Pairs Sudoku puzzles on this website. If you are new to this puzzle type, here are our easiest Consecutive Pairs Sudoku to get started on. More Consecutive Pairs Sudoku puzzles can be found in The Art of Sudoku 2.