PlaySudoku.us
Easy · Puzzle #255
1
2
9
8
4
5
3
6
3
7
1
5
9
2
8
5
2
9
7
6
4
6
7
9
3
6
1
9
4
2
9
3
8
4
6
7
5
3
2
1
8
9
2
6
7
1
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman
"Study hard what interests you the most in the most undisciplined, irreverent and original manner possible." — Richard Feynman
After placing a digit, immediately check its row, column, and box for new naked singles.
After placing a digit, immediately check its row, column, and box for new naked singles.