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Puzzling

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  • $\begingroup$ The really tough part here is how to fill in the numbers in this 3D so it looks nice ;-) $\endgroup$
    – Jens
    Commented Aug 17, 2020 at 19:05
  • $\begingroup$ @Jens yeah no excel file for this one sadly :P I couldnt find any 3D sudoku software for this either so I'm afraid I can only provide the image! $\endgroup$
    – Beastly Gerbil
    Commented Aug 17, 2020 at 19:06
  • $\begingroup$ There's an ambiguity at the second level at the lower right of the first box. A purple arrowhead connects four boxes. $\endgroup$
    – Jens
    Commented Aug 17, 2020 at 22:06
  • $\begingroup$ @Jens ah I forgot to mention that in the rules. It's intentional, and should be treated as two individual arrowheads $\endgroup$
    – Beastly Gerbil
    Commented Aug 17, 2020 at 22:07
  • $\begingroup$ Are all possible arrow heads drawn? Does the lack of an arrowhead mean there is no sum/difference? $\endgroup$
    – Matthew Jensen
    Commented Aug 18, 2020 at 4:44