PlaySudoku.us
Evil · Puzzle #279
5
6
1
8
6
7
1
9
3
7
8
1
4
5
8
1
8
5
4
4
5
2
9
3
Techniques used
- Hidden Single
- Naked Triple
- Finned X-Wing
- Forcing Chains
- Naked Single
- Swordfish
- XY-Wing
- Pointing Pair
- Skyscraper
A Sudoku puzzle's 'information content' can be measured: a minimal 17-clue puzzle encodes roughly 26 bits of information.
A Sudoku puzzle's 'information content' can be measured: a minimal 17-clue puzzle encodes roughly 26 bits of information.
The BBC produced a television game show based on Sudoku in 2005, during the height of the puzzle's popularity.
The BBC produced a television game show based on Sudoku in 2005, during the height of the puzzle's popularity.