PlaySudoku.us
Medium · Puzzle #536
2
8
9
6
3
9
2
8
7
4
4
7
1
3
2
6
3
4
1
3
9
8
5
7
4
5
7
6
4
5
2
6
4
"To know what you know and what you do not know — that is true knowledge." — Confucius
"To know what you know and what you do not know — that is true knowledge." — Confucius
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them." — William Lawrence Bragg
"The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them." — William Lawrence Bragg