. . o . . 3 . . 9
. o . o . . . 8 .
o . 1 . o . 7 . .
. o . o . 6 . . .
9 . o . 5 . e . 8
. . . 4 . e . e .
. . 3 . e . 6 . e
. 2 . . . e . e .
1 . . 7 . . e . .
==
Solution
4 7 5 8 6 3 2 1 9
6 9 2 5 1 7 3 8 4
3 8 1 2 9 4 7 5 6
2 1 4 9 8 6 5 3 7
9 6 7 3 5 1 4 2 8
5 3 8 4 7 2 9 6 1
8 5 3 1 4 9 6 7 2
7 2 9 6 3 8 1 4 5
1 4 6 7 2 5 8 9 3
==
Name: Even/Odd Sudoku by Prasanna Seshadri
URL: https://www.gmpuzzles.com/blog/2022/02/even-odd-sudoku-by-prasanna-seshadri/