Arrow: Digits along an arrow must sum to the digit in the connected circle.
f-puzzles: https://f-puzzles.com/?id=2epgx5vr
CTC: https://tinyurl.com/5n727ps8
Solution code: Row 1 + Column 7 (18 digits)
on 29. January 2023, 14:09 by Pentamino
Thank you for the nice puzzle!
on 28. January 2023, 16:45 by Ambrose
Very elegant!
on 28. January 2023, 15:21 by Snookerfan
Beautiful and fun, thank you!
on 28. January 2023, 15:02 by Franjo
Wow! Fairly easy to solve, but what an elegant setting! Thank you very much for sharing this gem.