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Theme: 69 Slices of Pi

Author/Opus: This is the 37th puzzle from our contributing puzzlemaster John Bulten.

Rules: Standard Outside Sudoku rules. (Some digit clues are repeated but these behave no differently than single clues; 0’s can be ignored.)

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 5th column from top to bottom.

Time Standards (highlight to view): Grandmaster = 2:45, Master = 3:30, Expert = 7:00

Solution: PDF

Note: Follow this link for more Outside Sudoku puzzles.

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Theme: Almost all in order – two double 1-9 digit pangrams and two single 1-9 digit pangrams are on the outside of this grid.

Rules: Standard Outside Sudoku rules.

Answer String: Enter the 5th column from top to bottom, followed by a comma, followed by the 9th column from top to bottom.

Time Standard: Outside Sudoku Grandmaster = 6:15, Master = 10:15, Expert = 20:30

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Theme: A series of series (and a constant and a square) — The seemingly random numbers outside the grid actually have some rhyme and reason.

Rules: Standard Outside Sudoku rules.

Answer String: Enter the 7th row from left to right, followed by a comma, followed by the 4th column from top to bottom.

Time Standard: Outside Sudoku Grandmaster = 5:00, Master = 7:00, Expert = 14:00

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Theme: Four nonets.

Rules: Standard Outside Sudoku rules.

Answer String: Enter the 5th row from left to right, followed by a comma, followed by the 5th column from top to bottom.

Time Standard: Outside Sudoku Grandmaster = 2:15, Master = 3:00, Expert = 6:00