PlaySudoku.us
Hard · Puzzle #815
6
1
3
9
4
3
1
6
2
1
8
7
6
2
3
1
5
9
8
1
7
2
2
3
1
5
9
5
1
3
"The measure of a great scientist is not the answers they give but the questions they ask." — Unknown
"The measure of a great scientist is not the answers they give but the questions they ask." — Unknown
"When you see a good move, look for a better one." — Emanuel Lasker
"When you see a good move, look for a better one." — Emanuel Lasker