The first puzzle is of course just a normal Odd Sudoku. I'm happy how it turned out. I think it looks nice with the four circle layout. It took a few tries as I kept having to add clues in other places to make it unique. It's not a hard puzzle, so it will probably be solved a lot more than some of my other puzzles. I hope people at least enjoy it.
Rules for Sudoku
In this Sudoku, grey cells must contain odd digits only.
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