PlaySudoku.us
Hard · Puzzle #357
4
8
7
6
8
6
9
2
5
3
7
4
2
9
8
7
6
9
8
1
9
1
5
7
8
6
5
2
1
When a row, column, and box all intersect, the intersection cell is the most constrained — always check it first.
When a row, column, and box all intersect, the intersection cell is the most constrained — always check it first.
Sudoku appeared as a puzzle category on Jeopardy! during the height of its US popularity in 2005–2006.
Sudoku appeared as a puzzle category on Jeopardy! during the height of its US popularity in 2005–2006.