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Theme: Odd Box

Author/Opus: This is the 34th puzzle from our contributing puzzlemaster Ashish Kumar.

Rules: Standard Sudoku rules. Also, cells with a square contain an even digit; cells with a circle contain an odd digit.

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 4:30, Master = 8:00, Expert = 16:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: Even Box

Author/Opus: This is the 33rd puzzle from our contributing puzzlemaster Ashish Kumar.

Rules: Standard Sudoku rules. Also, cells with a square contain an even digit; cells with a circle contain an odd digit.

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 = 3:00, Master = 3:30, Expert = 7:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: 23

Author/Opus: This is the 21st puzzle from guest contributor Ashish Kumar.

Rules: Standard Sudoku rules. Also, cells with a square contain an even digit; cells with a circle contain an odd digit.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 5th row from left to right.

Time Standards (highlight to view): Grandmaster = 6:45, Master = 8:30, Expert = 17:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: Nothing in the Middle

Author/Opus: This is the 1st puzzle from guest contributor Akash Doulani.

Rules: Standard Sudoku rules. Also, cells with a square contain an even digit; cells with a circle contain an odd digit.

Answer String: Enter the 3rd row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:00, Master = 4:45, Expert = 9:30

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: Target

Author/Opus: This is the 1st puzzle from guest contributor Gaurav Kumar Jain. You can find more puzzles from Gaurav on the blog Life in Sudoku.

Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 2:15, Master = 3:15, Expert = 6:30

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: Boxing Day

Author/Opus: This is the 9th puzzle from guest contributor Ashish Kumar.

Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even.

Answer String: Enter the 6th row from left to right, followed by a comma, followed by the 9th row from left to right.

Time Standards (highlight to view): Grandmaster = 3:15, Master = 5:30, Expert = 11:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.

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Theme: Half and Half

Author/Opus: This is the 320th puzzle from Thomas Snyder, aka Dr. Sudoku.

Rules: Standard Sudoku rules. Also, digits in circles must be odd and digits in squares must be even. The range of this puzzle is 1-6.

Answer String: Enter the 1st row from left to right, followed by a comma, followed by the 6th row from left to right.

Time Standards (highlight to view): Grandmaster = 1:30, Master = 2:30, Expert = 5:00

Note: Follow this link for other Even/Odd Sudoku. Follow this link for classic Sudoku.