PlaySudoku.us
Medium · Puzzle #521
7
8
9
4
1
4
9
2
7
3
2
3
5
1
9
4
2
8
5
2
8
3
4
9
4
7
9
8
8
9
2
1
1
3
8
7
"A chess game is divided into three phases: the first, when you hope you have the advantage, the second when you believe you have an advantage, and the third when you know you're going to lose." — Savielly Tartakower
"A chess game is divided into three phases: the first, when you hope you have the advantage, the second when you believe you have an advantage, and the third when you know you're going to lose." — Savielly Tartakower
"The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking." — Albert Einstein
"The world as we have created it is a process of our thinking. It cannot be changed without changing our thinking." — Albert Einstein