The standard Sudoku rules apply.
Inspired by Richard's Sudoku Variants Series (190) - Blackout Sudoku.
Have fun cracking this puzzle! This one is intentionally difficult for those who want a real challenge. If you have trouble solving this, don't be discouraged. Spread the word and get to it!
If you enjoyed this puzzle, be sure to check out Missing Pieces I
Solution code: Row 3 (Left to Right) followed by Column 3 (top to bottom), no commas or spaces
on 16. September 2020, 18:21 by Geelow98
change in description
on 11. September 2020, 21:14 by Geelow98
instruction change
on 11. September 2020, 16:43 by Geelow98
Thank you for the constructive criticism and feedback! Lessons learned!
on 10. September 2020, 08:25 by Joseph nehme
Yea the disjoint rule can definetly be diregarded.
on 10. September 2020, 05:34 by dm_litv
Undoubtedly 1-star puzzle. Both for difficulty and quality.
on 10. September 2020, 02:21 by spxtr
f-puzzles: https://f-puzzles.com/?id=y4sw2muq
on 10. September 2020, 00:29 by SudokuExplorer
More of a 1 star puzzle than 5 star difficulty
on 10. September 2020, 00:19 by Greg
You don't need to use the disjoint grouping rule to solve.