Consider This
Rules:
Normal Sudoku rules apply. Cells that are a Chess knight's move apart must contain different digits. Cells separated by a white dot contain consecutive digits, and cells separated by a black dot contain digits in a 1:2 ratio. Not all such dots may be given.
Try it on the CTC app, or on f-puzzles.
Puzzle:
Solution code: Row 5 and Row 9 (left to right); 18 digits, no spaces.
on 27. March 2022, 00:15 by chain.reader
I had a thought at the breakthrough, and I run with it. It solved right up to the end. But I have no idea how I would prove the breakthrough logic (or lack of) I used :D