PlaySudoku.us
Evil · Puzzle #230
4
9
1
7
6
6
3
1
7
8
5
8
7
6
1
4
9
7
3
8
7
9
5
1
3
6
Techniques used
- Naked Single
- Hidden Single
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- XY-Wing
- Pointing Triple
- Forcing Chains
- XY-Chain
- UR Type 4
The 4×4 mini-Sudoku (with digits 1–4) is used in elementary schools worldwide as an introduction to logic puzzles.
The 4×4 mini-Sudoku (with digits 1–4) is used in elementary schools worldwide as an introduction to logic puzzles.
"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is." — Albert Einstein
"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is." — Albert Einstein