Normal Sudoku Rules Apply for numbers one to nine
In every row, box ⪚ 2, 8, 1, 6, 1, 9, 4.
Renban (Purple) - Consecutive in random order. Eg; 7. 5. 6.
Dutch Whisper (Orange) lines - digits differ by at least 4. Eg; 5, 9, 4, 8, 3, 7.
Palindromes (Grey) lines - Same forwards as backwards.
Kropki dots (White) - consecutive. (Black) - 1-2 ratio.
Quadrangles - digits in circle must appear around it.
Heart lines (Red) - Digits differ by 2 along the line.
Solution code: Congratulations
Puzzle Completed !
You have Heart
Comments
on 2. July 2026, 23:38 by CJK
It is quite difficult to solve a Sudoku with only the rules, but not the puzzle itself. Maybe you want to share an image or a link to the sudoku such that someone could actually solve it.