Normal sudoku rules apply. Digits along an arrow must sum to the digit in the large circle at its end. Cells with grey squares must contain even numbers. Neighboring digits marked with V sum to 5. Neighboring digits marked with X sum to 10. Not all Vs or Xs are given. Numbers outside the grid indicate the sum of the digits on their indicated diagonal. Digits on these diagonals may repeat when otherwise allowed. I think this puzzle is 1.5 stars out of 5 for difficulty for many solvers. As always, comments welcome!
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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 10. March 2022, 17:57 by haligonian
Beautiful!
** Thanks again!
on 9. March 2022, 22:33 by erik
Fun solve!
** Thanks @erik!
on 9. March 2022, 01:36 by Squiz
Very good puzzle. Nice use of diagonals to finish up the puzzle.
** A time-honored maneuver. ;-) (Helps to ensure I don't mess up the opening logic.) Thanks for the solve! :-)