Hook, Line, and Sinker
This puzzle is a collaboration between myself and grkles. Please check out their puzzles as well as he is a fantastic setter with astounding puzzles.
Rules:
1. Normal sudoku rules apply
2. Digits in a cage cannot repeat and must sum to the total in the cage (Killer)
3. Digits on blue lines have the same sum in each region they pass through (Region Sum Lines)
CTC Link :
Solution code: Row 1 + Column 9 (18 digits)
on 16. June 2022, 19:22 by Playmaker6174
Fantastic construction, great works from both of you! Particularly enjoyed the breakthrough in bottom 3 boxes :)
on 14. June 2022, 17:36 by GeorgeTheToad
Very difficult throughout, but so rewarding as each deduction leads to another. 60 minutes is a long solve for me.
on 14. June 2022, 05:38 by purpl
Wonderful puzzle! I enjoyed the opening and the midsolve a lot!
on 14. June 2022, 01:44 by Niverio
Very nice arithmetic interactions!