PlaySudoku.us
Evil · Puzzle #98
1
5
9
4
2
7
6
2
8
7
8
2
2
1
4
9
4
3
1
8
6
3
3
7
6
Techniques used
- Hidden Single
- Pointing Pair
- XY-Wing
- Naked Single
- 2-String Kite
- Finned X-Wing
- Forcing Chains
- Box-Line Reduction
- Naked Triple
A Sudoku grid can be solved using only row and column logic, never needing box constraints — but it becomes exponentially harder.
A Sudoku grid can be solved using only row and column logic, never needing box constraints — but it becomes exponentially harder.
"God does not play dice with the universe." — Albert Einstein
"God does not play dice with the universe." — Albert Einstein