Nonconsecutive: Any two orthogonally adjacent cells cannot contain consecutive digits.
Ratio Kropki Dots: Digits separated by a black dot have a 2:1 ratio. Not all dots are necessarily given.
XV: Digits separated by an X sum to 10, those separated by a V sum to 5. Not all Xs are necessarily given. ALL Vs are given.
Solution code: Row 1
on 8. July 2026, 05:22 by iEtsh
Bad, only brute forcing.
on 7. July 2026, 10:33 by superkinkel
An absolute Monster, I liked it anyway, but I think there is a point somewhere in the middle, where only complex bifurcations brought me forward. I‘d love to see this one on CtC since I assume Simon and Mark could find a better way of solving this.