Closed Nickleaton closed 2 years ago
https://www.youtube.com/watch?v=Am_vRsmCims&ab_channel=Rangsk
Digits do not repeat along the marked diagonal. The marked diagonal reflects odd/even parity. For example if R6C2 is even them R2C6 must be even.
https://www.youtube.com/watch?v=Am_vRsmCims&ab_channel=Rangsk