PlaySudoku.us
Medium · Puzzle #309
4
3
7
9
2
9
4
7
3
9
4
7
2
6
4
6
1
3
7
8
9
1
3
4
5
1
4
8
8
1
4
7
5
"The hardest game to win is a won game." — Emanuel Lasker
"The hardest game to win is a won game." — Emanuel Lasker
"The good thing about science is that it's true whether or not you believe in it." — Neil deGrasse Tyson
"The good thing about science is that it's true whether or not you believe in it." — Neil deGrasse Tyson