Normal sudoku rules apply for 8 sets of the digits 1-9. However, exactly one digit in every row, column and box is wrogn and must break the rules of sudoku. The 9 wrogn cells contain a complete set of the digits 1-9.
Adjacent digits (including wrogn digits) on green whisper lines must have a difference of 5 or greater.
The digit in the grey square is greater than its 4 orthogonal neighbours.
Lösungscode: row 9
am 28. September 2022, 15:27 Uhr von argl
rule clarification: so the wrogn digits count as themselves on the whisper? e.g. let's say i found a 6 and i found the 6 is wrogn, it is only wrogn with respect to normal sudoku rules, on the whisper it must still be surrounded by 1s? or is a wrogn digit also wrogn with respect to the whisper? If so, what happens, anything can be next to it?
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Adjacent digits including wrogn digits on whisper lines must have a difference of 5. ie The whisper rules are not broken but sudoku rules are.
am 27. September 2022, 10:19 Uhr von Fool on Hill
Brilliant puzzle.
The logic here takes some working out, and is not straightforward. The rules have a number of quite deep implications (see JayForty's comment). I think if you knew the implications before starting it would be easier, but it still took some mental agility to keep on top of the logic. There were some nice steps I found which used the logic in different ways.
am 26. September 2022, 12:39 Uhr von JayForty
Fun puzzle! I feel like the rules might need some additional clarification. To me, the puzzle does not solve uniquely without stating something along the lines of "A wrogn digit takes the place of another digit and the digit it replaces is therefore the same for its row, column and box". It might have been implied, but it wasn't clear to me at first.
Edit: Saw the response to Dandelo's question. That is a good way to put it as well.
am 26. September 2022, 08:02 Uhr von Scruffamudda
To clarify; there are 9 wrogn digits in the puzzle which may cause up to 27 clashes. Of the repeated pair of digits it must be deduced (based on other digits in the grid) which is the wrogn one.
am 26. September 2022, 07:08 Uhr von Dandelo
And even if you count them as one, there are up to 27 wrong cells. I suppose you mean, that there are 9 wrong cells and each is wrong for row, column and box?
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Yes. By removing the 9 wrogn cells all clashes must also be removed.
- Scruffamudda
am 26. September 2022, 06:05 Uhr von MonsieurTRISTE
How could there be only one wrong digit in a row/column/box? If row one is 123456788, then both 8s break the rule.
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One will be wrogn, the other is not.
- Scruffamudda