Rules:
Regular sudoku rules apply; place the digits 1-9 in every row, column, and outlined 3x3 box exactly once each.
Regular renban rules apply; digits on each pink renban line form a set of nonrepeating, consecutive digits in any order.
Regular kropki rules apply; white kropki dots separate digits with a difference of 1, and black kropki dots separate digits with a 1:2 ratio. Not all dots are necessarily given.
Digits in cells with squares are even.
Solve online:
Solution code: Column 5 (top to bottom, 9 digits, no spaces)
on 31. December 2024, 05:33 by Andrewsarchus
Very Nice!
A lot of cool deductions arising from the geometry!
on 25. December 2024, 23:57 by dennischen
Wow, this is ridiculously hard. Thanks!
on 25. December 2024, 02:45 by bodemeister
This puzzle is an amazing design featuring a fantastic solve! Be creative how you mark cells so you can keep track of all the information the puzzle gives you. Encountered a pleasant surprise near the end of the puzzle. Highly recommend this puzzle!
on 22. December 2024, 19:37 by chameleon
Fun puzzle, but I'd wish the ambiguity to resolve earlier
on 22. December 2024, 19:00 by askaksaksask
Surely this is as inventive a renban puzzle as can be. I don't want to spoil the nature of this puzzle, but this did not solve how i initially thought. Very, very clever.