PlaySudoku.us
Hard · Puzzle #854
9
3
8
2
8
6
4
7
5
4
9
7
2
7
6
1
9
5
6
3
7
6
2
8
9
7
1
6
Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.
Sudoku became a global phenomenon in 2004 after The Times of London started publishing it daily.
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.