Sudoku solution – El País 2 January 2025 Difficult level

[Ramakrishnagm]

Nice solve.
Vedio time - 26:15.
Your aic chain is called as SKYSKRAPER.
I solved with 3s FINNED X WING
26:15.
row 2, col 6 and 7.,
row 6, col 5., 6, and 7.
Eliminaties 9 from r4c6 (39= 9). Puzzle solved.
I saw one more XY wing 369.
r2c4 - 69.
r2c7 - 36.
r6c7 - 39.
Elmts 9 from r6c4., but it don't solved the puzzle.
Thanks for the puzzle.

[jeffampizer]

how can l get a sudoku board to use on my pc...