Normal Jigsaw Sudoku rules apply: each row, column, and irregular box contains the digits 1-9.
In addition, the digits 3,6, and 9 are queens, i.e., must not see an equal digit along the same diagonal.
Nothing innovative in the logic, but it is hopefully still enjoyable!
F-puzzles link - Thanks, @Soumil99
Those who can't get enough of multiple-queens Sudoku might try my 'Five Queens little killer'.
Solution code: The first row and 3rd column (18 digits total)
on 20. September 2021, 18:00 by glum_hippo
include online solving tool tag