PlaySudoku.us
Hard · Puzzle #846
5
2
9
4
3
8
5
9
1
6
7
8
2
9
4
8
2
1
7
5
8
6
5
3
2
2
3
4
9
"Absence of evidence is not evidence of absence." — Carl Sagan
"Absence of evidence is not evidence of absence." — Carl Sagan
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman