PlaySudoku.us
Easy · Puzzle #263
8
1
6
5
3
4
7
2
3
5
6
2
7
1
8
4
7
1
9
6
3
4
8
2
6
9
5
1
9
7
4
8
7
1
5
4
3
6
9
2
8
4
1
4
7
6
8
2
9
6
1
The brain releases dopamine when it solves a puzzle — the same reward chemical triggered by food and exercise.
The brain releases dopamine when it solves a puzzle — the same reward chemical triggered by food and exercise.
"Luck is what happens when preparation meets opportunity." — Seneca
"Luck is what happens when preparation meets opportunity." — Seneca