Normal sudoku rules apply.
Roman numerals outside the grid show the number of X and V pairs contained within the corresponding row or column where X pairs sum to 10 and V pairs sum to 5. All possible Xs and Vs are referenced.
Digits separated by a black dot have a ratio of 2:1. Not all dots are given.
Solution code: column 8
on 11. May 2022, 22:44 by Elliott810
Beautiful puzzle with a very interesting concept! For me difficulty is 5/5. Thanks:)