• Normal Jigsaw Sudoku rules apply (place the digits 1 to 9 without repetition in every row, column and region).
• A gold cell contains its position within its row, column or region (in normal reading order).
For example the gold cell R4C7 contains either 7 (position in row), 4 (position in column) or 3 (position in region).
• All possible gold cells are given.
For example the white cell R9C5 does NOT contain 5 (position in row), 9 (position in column) or 8 (position in region).
Solution code: row four
on 27. August 2025, 21:41 by cozmic72
The negative constraint didn’t come into play as often as I would have expected. Armed with the law of leftovers, it was a very easy puzzle for me.
on 27. August 2025, 19:16 by Kawkaz
Thank you for a great puzzle.
I found it to be 2 star difficulty, enjoyed it.
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.