Right Angles Wrong Quads
(Published on 7. June 2026, 00:00 by Scojo)
Rules:
- Normal sudoku rules apply: Place the digits 1-9 once each in every row, column, and 3x3 box.
- Anti-Quadruples: Digits in a red circle may not appear in any of the four cells touching that circle.
- Zipper Lines: On lavender lines, pairs of digits equidistant from the center of the line sum to the digit in the center of the line.
Solve in SudokuPad
Solution code: Row 7
Last changed on -
Solved by StefanSch, jordanza, sircumnavigate, Calvinball, apendleton, aqjhs, jalebc, sedici, tuturitu, joelagibbs, selador31, FlashZange, damo_89, Wuschel, monononono, kehan628, Janie, Krisonium, Bjd, Nagesh, ... fthompson, W1n5t0n, amchap, marty_sears, ThePedallingPianist, sujoyku, juggler, cybers, zeniko, asynchronous, wouvdvel, dellC, kskit, Vic, Atticus837, abadx, woody, pepe74287, Clementi, jutkutti
Comments
on 26. August 2026, 05:04 by Atticus837
That was a fun one! Really enjoyed the way the geometry seemed to feed deductions into itself.
on 25. August 2026, 02:45 by juggler
Classic Scojo puzzle. There was some really interesting Sudoku at the beginning, that was cool.
Last changed on 25. August 2026, 00:00
on 25. August 2026, 00:00 by sujoyku
Lovely puzzle! Beautiful geometry and excellent use of the zippers.
Thank you, Scojo!
on 11. June 2026, 16:50 by CitrusGremlin
Clever zipper lines! I'm surprised how well it all worked together.
on 9. June 2026, 03:43 by PinkNickels
Stupendous
on 8. June 2026, 14:08 by GrenP78
Great puzzle
on 7. June 2026, 18:14 by Franjo
Thank you very much for creating and sharing this awesome puzzle.
