PlaySudoku.us
Hard · Puzzle #448
6
5
1
3
6
2
9
9
8
6
9
5
2
6
7
8
6
4
5
8
2
9
6
7
9
6
8
4
7
Naked Singles are your fastest technique. Exhaust them completely before moving to more complex methods.
Naked Singles are your fastest technique. Exhaust them completely before moving to more complex methods.
"I will prepare and some day my chance will come." — Abraham Lincoln
"I will prepare and some day my chance will come." — Abraham Lincoln