PlaySudoku.us
Evil · Puzzle #139
2
8
6
9
3
6
7
2
7
1
7
9
4
4
3
2
2
6
3
5
8
1
5
9
Techniques used
- Hidden Single
- Naked Single
- Naked Triple
- Pointing Pair
- X-Wing
- W-Wing
- Forcing Chains
- Hidden Pair
- Skyscraper
- XY-Chain
- 2-String Kite
- UR Type 4
- XY-Wing
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. A useful sanity check.
Every row, column, and box in a completed Sudoku sums to 45 — the sum of digits 1 through 9. A useful sanity check.
"Float like a butterfly, sting like a bee. The hands can't hit what the eyes can't see." — Muhammad Ali
"Float like a butterfly, sting like a bee. The hands can't hit what the eyes can't see." — Muhammad Ali