PlaySudoku.us
Hard · Puzzle #673
8
2
1
5
2
7
5
2
2
3
7
6
3
9
1
4
1
8
6
7
3
1
6
7
3
9
"Research is to see what everybody else has seen, and to think what nobody else has thought." — Albert Szent-Györgyi
"Research is to see what everybody else has seen, and to think what nobody else has thought." — Albert Szent-Györgyi
"Absorb what is useful, discard what is useless, and add what is specifically your own." — Bruce Lee
"Absorb what is useful, discard what is useless, and add what is specifically your own." — Bruce Lee