Normal Sudoku rules apply. Digits cannot repeat in cages. Digits cannot repeat along the two main diagonals, marked with thin blue lines. Blue lines are divided into segments by 3x3 box borders. Each segment along a line must sum to the same as all other segments on that line.
Try it on CTC

Solution code: The middle row of the puzzle
Solved by Spooof, Felis_Timon, littlebluue, Elliott810, Snookerfan, Aaravos, SKORP17, cornish-john, ariesays, M8tyw31, idanz, TheCutmaster, Postnormal, Fisherman, Bjd, Isael, Starlight, Exigus
Comments
today, 12:57 by Exigus
Fantastic puzzle, hard but very satisfying. Thanks!
yesterday, 14:02 by Snookerfan
Great puzzle! Some really interesting and hard steps required. Thanks
yesterday, 13:34 by Elliott810
Brilliant puzzle! Thank you:)