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Evil · Puzzle #947
9
7
4
6
1
2
5
6
7
4
9
4
5
6
3
3
9
4
4
4
3
8
5
2
3
7
1
Techniques used
- Hidden Single
- Naked Pair
- Naked Quad
- Hidden Triple
- Pointing Pair
- UR Type 4
- Forcing Chains
- Naked Single
The 9×9 Sudoku grid contains exactly 9 rows, 9 columns, and 9 boxes — each a 'house' — giving 27 houses in total.
The 9×9 Sudoku grid contains exactly 9 rows, 9 columns, and 9 boxes — each a 'house' — giving 27 houses in total.
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.