or solve online (using our beta test of Penpa-Edit tools)
Author/Opus: This is the 228th puzzle from our contributing puzzlemaster Prasanna Seshadri.
Rules: Standard Even/Odd Sudoku rules (i.e., cells with a square contain an even digit; cells with a circle contain an odd digit).
Difficulty: 3 stars
Time Standards (highlight to view): Grandmaster = 3:45, Master = 5:45, Expert = 11:30
Note: Follow this link for more Even/Odd Sudoku puzzles. If you are new to this puzzle type, here are our easiest Even/Odd Sudoku to get started on. More Even/Odd Sudoku puzzles can be found in The Art of Sudoku 2 and Masterpiece Sudoku Mix 1.