Normal sudoku rules apply. For every pair of clues (X and Y) outside the grid, at least one of the following is true: 1) X is in the Yth position in that direction. 2) Y is in the Xth position in that direction.
Solution code: Row 1
on 14. May 2026, 20:11 by henrypijames
Only 2⅔ difficulty for me.
on 13. May 2026, 07:46 by Gene The Supreme
The data from LMI suggest this might be a 4-star puzzle.