Normal sudoku rules apply.
Grey and Red lines are Renban lines. This means each line contains a set of consecutive, non-repeating digits, in any order.
Little killer rules apply. Digits along the indicated diagonal sum to the given total, and digits may repeat.
Enjoy!!
You can play online: f-puzzle link
Solution code: Column 4 Row 6 (18 digits, no spaces or commas)
on 20. February 2024, 22:05 by StephenR
Lovely stuff, thanks, with some good nuggets of logic buried therein.
on 7. March 2023, 08:29 by Playmaker6174
Very cool and lovely puzzle! The logic overall was fascinating throughout, it did get trickier towards the end but proper scanning helped me a lot there :)
on 26. August 2021, 23:10 by uvo_mod
Label "Online Solving Tool" ergänzt.
on 20. June 2021, 17:06 by Vebby
Very clever puzzle! The ending is tricky.
on 4. June 2021, 20:28 by Klausku
Wow! What superb logic. But it was 5 stars for me and took me 3 hours. However very enjoyable 3 hours. Thank you very much.
on 17. May 2021, 12:51 by Qodec
What a treasure tove of logic again, thanks!
on 11. May 2021, 06:29 by brandon_bot
Every moment of insight during the solve seemed to top the previous. Wow, absolutely loved it.