1
3
7
2
5
4
7
8
4
2
3
8
9
3
5
2
4
7
1
6
7
4
6
9
2
2
1
7
5
3
1
7
8
7
9
4
6
"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
A solved cell is most useful in whichever house it brings down to one empty cell.
A solved cell is most useful in whichever house it brings down to one empty cell.