Normal sudoku rules apply. Digits in a cage must sum to the little number in the upper left, and may not repeat in the cage. Digits may not repeat on the main diagonals. I think this puzzle is 2 stars out of 5 for difficulty for many solvers. As always, comments welcome. Thanks!
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Solution code: First row of puzzle, and fourth column of puzzle (read top to bottom). Enter as a string of 18 digits, no spaces.
on 26. December 2023, 21:46 by anyeyeball
Fine killer puzzle. The cages interact with each other and the diagonals nicely. Thanks for sharing!
** You're very kind. Nothing super special here, but I thought it was good enough to share. Enjoy!