Killer: Digits in cages may not repeat.
Arrow: Digits along an arrow must sum to the digit in the connected circle.
f-puzzles: https://f-puzzles.com/?id=ygnucgqn
CTC: https://tinyurl.com/cmfrhybx
Solution code: Row 1 + Column 4 (18 digits)
on 28. September 2021, 08:49 by Elliott810
Wonderful puzzle! Thx:)