Rules:
Normal sudoku rules apply.
Broken-159: Digits in red-shaded cells in column 1 indicate the position of 1 in the corresponding row. The same is true in columns 5 and 9 for 5's and 9's respectively. All possible red cells in columns 1, 5, and 9 are given.
Purple lines (renban) must contain a set of non-repeating consecutive digits in any order.
Links:
Solution code: Row 8 followed by column 6 (left to right, top to bottom, 18 digits, no spaces).
on 25. January 2022, 20:16 by TheRiddler
Very entertaining :-)
on 25. January 2022, 01:57 by tallcat
Great puzzle! Nice use of both constraints and really neat use of the negative constraint as well!
on 24. January 2022, 18:57 by riffclown
Love the logic path and interactions between the global and local constraints.
on 24. January 2022, 18:29 by twototenth
Well that was unreasonably brilliant. Loved it from start to finish.