9
6
3
1
8
1
5
2
4
6
5
7
9
7
8
1
3
3
2
5
6
8
6
3
3
2
5
9
8
6
5
2
The first Sudoku World Championship in 2006 was won by Jana Tylová of the Czech Republic.
The first Sudoku World Championship in 2006 was won by Jana Tylová of the Czech Republic.
On average, a hard Sudoku requires 50–100 candidate eliminations before the grid is fully solved.
On average, a hard Sudoku requires 50–100 candidate eliminations before the grid is fully solved.