PlaySudoku.us
Easy · Puzzle #379
5
1
6
3
2
7
9
5
1
3
7
8
4
9
2
3
4
6
2
9
7
2
9
5
6
6
9
8
5
4
2
3
1
7
5
1
4
8
9
2
8
9
2
3
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