PlaySudoku.us
Medium · Puzzle #557
5
9
7
8
6
4
8
1
4
3
7
8
6
4
5
2
7
2
7
6
9
1
1
5
3
4
6
8
9
7
6
5
7
5
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.
"The secret is to work less as individuals and more as a team." — Pelé
"The secret is to work less as individuals and more as a team." — Pelé