Two for the Show (Duality)
(Published on 1. November 2025, 13:39 by riffclown)
Rules
• Normal Sudoku rules apply. Place the digits 1-9 in each row, column and box without repetition.
• Entropic Lines: Any set of three sequential cells along a line must contain a low digit (123), a middle digit (456), and a high digit (789). Digits may repeat on lines, if allowed by other rules.
• Dutch Whispers: Adjacent digits on a line must have a difference of at least 4.
• Duality: All lines in this puzzle conform to both Rulesets.
Links
Solution code: Column 5 Top to Bottom
Comments
on 7. November 2025, 18:14 by rhodri
Fabulous, this
on 7. November 2025, 10:23 by rhodri
Fabulous, this
on 4. November 2025, 06:34 by Zanno
Great Puzzle! I just love such duality lines.
on 1. November 2025, 21:55 by mezeji
nice one
on 1. November 2025, 13:42 by Fra314
Brilliant construction by the Master of duality puzzles!
