c/sudoku · by favrion@lemmy.world · 2yA Sudoku Secret to Blow Your Mind - Numberphile https://youtube.com/watch?v=pezlnN4X52g&si=nLkwx37p-w8mWw1i2 points · 1 comments · view on lemmy.world
1 Comments
favrion@lemmy.world · 0 pts · 2y
I must try this tactic soon.