If you can find three cells within a row, column, or 3x3 block where three Notes appear nowhere outside these cells, these three Notes must be placed in the three cells.
Hence all other Notes can be removed from these cells.
You can practice this strategy by installing the free Master Sudoku application on your phone.
▶ Download app and start your adventure ◀
App Store：[ Ссылка ]
Google Play：[ Ссылка ]
Samsung: [ Ссылка ]
▶ FOLLOW US ◀
Facebook: [ Ссылка ]
Instagram: [ Ссылка ]
Twitter: @MasterSudoku9
TikTok: @mastersudoku
If you enjoyed this video, please visit my channel page for more videos, and please subscribe, I really appreciate it!
Thank you for watching!
lishismile studio
