Odd/Even Sudoku
Also Known As:
Even Sudoku, Odd Sudoku
There are a few different versions of this simple Sudoku variant. The original (see the example puzzle) is where only a few cells in the grid are shaded and solvers must discover for themselves if digits in these cells are all odd or all even.
Another version of the Odd/Even Sudoku rules is when ALL cells with even digits are shaded; therefore ALL cells with odd digits are not shaded (or vice versa). This creates a slightly different solving experience.
Even Sudoku or Odd Sudoku are another two versions of this puzzle; here, only a few cells are shaded, but the solver knows from the name of the puzzle whether these cells will contain odd or even digits.
Instructions
Place a digit from 1 to 9 in each empty cell so that each row, each column and each 3x3 block contains all the digits from 1 to 9. In addition, all shaded cells will contain either all odd or all even digits.
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