PlaySudoku.us
Hard · Puzzle #70
1
5
9
7
5
6
1
6
9
2
9
7
2
3
9
1
6
4
7
1
4
6
2
3
8
6
9
1
4
"Life is really simple, but we insist on making it complicated." — Confucius
"Life is really simple, but we insist on making it complicated." — Confucius
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.
Practice solving puzzles at a difficulty level where you succeed 90% of the time. That's the zone of maximum skill growth.