2
7
3
5
6
5
7
2
8
4
8
2
5
6
3
1
9
4
5
5
4
3
7
8
1
9
5
3
9
5
7
8
Some Sudoku apps use neural networks to grade puzzle difficulty — training on millions of human solve attempts.
Some Sudoku apps use neural networks to grade puzzle difficulty — training on millions of human solve attempts.
"If you wish to make an apple pie from scratch, you must first invent the universe." — Carl Sagan
"If you wish to make an apple pie from scratch, you must first invent the universe." — Carl Sagan