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Normal sudoku rules apply.
Digits in fortress cells are SMALLER 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 1
on 21. May 2025, 01:03 by Donatello_86
Two more puzzle to go, and I've completed your catalog. Thank you for setting such nice puzzles. I've learned new techniques and learned how to solve other various puzzle types I've never solved before. Thank you for all your work! I'd encourage anyone to go through your catalog, it's well worth it!!
on 20. May 2025, 20:49 by nunc
Very nice! Beautiful! What's more to say?
on 20. May 2025, 16:18 by Snookerfan
Great easy puzzle, which is hard to accomplish! Thank you
on 20. May 2025, 11:37 by Franjo
Sweet puzzle-snack, but what a beautiful setting! Thank you very much for creating and sharing.
on 19. May 2025, 23:46 by Exigus
That was great, thanks!
on 19. May 2025, 23:40 by fragglerock1981
What a brilliant break in. Very hard (for me) but VERY rewarding when you figure it out. 39 mins for me. Thank you so much for creating a great puzzle, and sharing it.
on 19. May 2025, 22:41 by VitP
if you had ONE question to ask, what would it be?
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"Feeling Lucky?"
on 19. May 2025, 17:18 by Prince Myshkin
Loved it!
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