The Diagonal Singularity

The Diagonal Singularity: The ancient grid is not an ordinary Sudoku. Its diagonals are inviolable. Original constraint grid puzzle with a mathematically certified unique solution.

Original puzzle evidence

The ancient grid is not an ordinary Sudoku. Its diagonals are inviolable.

DIAGONAL SINGULARITY · EXTREME

1. Given grid row 1: ....876.2
2. Given grid row 2: ....43587
3. Given grid row 3: .5.9.....
4. Given grid row 4: .2..6..7.
5. Given grid row 5: ..8......
6. Given grid row 6: ...73...5
7. Given grid row 7: 1.3....5.
8. Given grid row 8: 59.3..7..
9. Given grid row 9: ......9..

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