Normal suduko rules apply.
Digits in a cage must sum to the number in the top left corner.
The RED 5X5 square in the midlle is a Special Magic square:
* All rows, columns and 2 diagonals sum to 25.
* Digits may not repeat in the row, column or 2 diagonals.
EXAMPLE
Solution code: row 4, Col 6
on 15. January 2021, 01:30 by panthchesh
Thanks for the puzzle! That was fun! :)
on 14. January 2021, 21:16 by BeneathTheCurve
Nice puzzle! I enjoyed the dynamic with the magic square, some of the logic using the sums was particularly neat.