Rules:
Normal sudoku rules apply.
Whisper (green): Adjacent digits on a whisper differ by 5 or more.
Renban (purple): A renban contains a set of consecutive digits (not necessarily in order).
Region Sum (blue): Digits on a region sum line have the same sum in each 3x3 box the line is in.
Solve online:
Solution code: Row 9
on 21. January 2024, 15:46 by GeorgeTheToad2
Lots of maths in this one. I enjoyed the break in but found the final maths deductions very tricky and this made it a 4 difficulty for me. Thank you for sharing.
on 20. January 2024, 20:16 by Schma
Tricky but beautiful!
Thanks for setting this nice puzzle.
on 20. January 2024, 08:54 by Twan2797
Amazing break in. The puzzle unfolded beautifully
on 19. January 2024, 22:00 by Nordy
Very intricate and elegant! For me the perfect level of math + geometry