-Normal sudoku rules apply.
-Lockout Line: Digits in the directly connected endpoints must differ by 4 or more. Digits on lines must fall outside the range defined by their diamonds.
-Fortress: Cell with arrows pointing inwards is smaller than all orthogonally adjacent cells. Cell with arrows pointing outwards is larger than all orthogonally adjacent cells.
Solution code: Row 1 followed by Row 9 (no spaces)
Example: 123456789987654321
on 18. November 2021, 03:40 by Crusader175
Thanks everyone for trying out my puzzle!
on 12. November 2021, 10:12 by Raumplaner
Nice flow and logic steps.
Please note: The German version of this page has changed. It is possible that this page does not contain the latest information.