Normal sudoku rules apply.
Entropic lines: Every group of 3 digits along a peach colored line must include a low digit (123), a middle digit (456), and a high digit (789).
Modular lines: Every group of 3 digits along a teal colored line must include a digit from the mod 3 groups (147), (258), and (369).
Quadruples: A digit in a white circle must appear in a surrounding cell.
Solution code: The digits of row 6 and then row 7, left to right.
on 14. August 2024, 22:34 by konjecture
Really, really nice. Thank you!
on 29. July 2024, 17:11 by Crusader175
Cool interaction with the constraint!
on 10. July 2024, 23:56 by Kawkaz
The break-in was nice, then it was standard use of the lines properties.
Good puzzle
on 4. July 2024, 01:51 by ndsurgenor
Took a little while to break into but then it got going and I loved it right to the end
on 30. June 2024, 05:25 by yanggang
A remarkably smooth solve!
on 29. June 2024, 18:04 by voldemortensen
Small revision to rules for consistency.
i.e. changed (1, 4, 7) to (147), etc.
on 28. June 2024, 14:55 by PinkNickels
Excellent!
on 28. June 2024, 07:27 by Fisherman
Harmonious.