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Normal sudoku rules apply.
Digits in fortress cells are LARGER than all digits in orthogonally adjacent non-fortress cells.
Along a green line, adjacent digits differ by at least 5.
The grid is partially covered by fog. Placing a correct digit will clear surrounding fog, possibly revealing more clues.
Have fun, leave a comment if you enjoy the puzzle!
Solution code: Row 9
on 17. September 2024, 09:36 by Snookerfan
Superb! Felt like a scavenger hunt. Thank you
on 16. September 2024, 19:38 by wuc
Great puzzle. I love the first few mind bending steps. After that very smooth. Great fun thx.
on 16. September 2024, 18:46 by Playmaker6174
Felt 'quite' harder than 2 stars for me there.
on 16. September 2024, 18:33 by scottgarner
Lovely solve!
on 16. September 2024, 17:38 by Jowser
Absolutely loved this puzzle!