Rules
Normal Sudoku, Region Sum and German Whisper rules apply.
Digits on Region Sum Lines have an equal sum within each 3x3 box they pass through.
Digits on German Whisper Lines differ by at least 5 from adjacent digits.
All lines are both German Whisper and Region Sum Lines
Lines which do not cross box boundaries still conform to German Whisper Rules
Links
Solution code: Row 2 followed by row 6. 18 digits no spaces
on 24. April 2024, 16:03 by damasosos92
Very nice puzzle!
on 28. May 2022, 13:08 by Rollo
Very nice combination of rules.
on 23. May 2022, 18:46 by mathpesto
A very fun and gorgeous puzzle!