Solution for Evil Sudoku #4198563724144
2
1
6
7
5
8
9
3
4
3
8
4
9
6
1
5
7
2
9
5
7
2
3
4
6
8
1
1
7
3
5
4
2
8
6
9
2
9
5
8
1
6
4
3
7
4
6
8
3
7
9
1
2
5
3
2
1
6
8
5
4
9
7
7
5
9
1
4
3
6
2
8
8
4
6
7
9
2
5
1
3
This Sudoku Puzzle has 56 steps and it is solved using Naked Single, Full House, Hidden Single, Naked Pair, undefined, Hidden Rectangle techniques.
Try To Solve This PuzzleSolution Steps:
- Row 5 / Column 1 → 5 (Naked Single)
- Row 5 / Column 9 → 9 (Naked Single)
- Row 5 / Column 5 → 1 (Full House)
- Row 4 / Column 3 → 3 (Hidden Single)
- Row 2 / Column 9 → 4 (Hidden Single)
- Row 6 / Column 4 → 4 (Hidden Single)
- Row 9 / Column 2 → 9 (Hidden Single)
- Row 6 / Column 7 → 1 (Hidden Single)
- Row 1 / Column 8 → 5 (Hidden Single)
- Row 1 / Column 9 → 7 (Hidden Single)
- Row 1 / Column 3 → 6 (Naked Single)
- Row 2 / Column 8 → 3 (Hidden Single)
- Row 3 / Column 7 → 6 (Hidden Single)
- Row 8 / Column 1 → 6 (Hidden Single)
- Row 7 / Column 9 → 6 (Hidden Single)
- Naked Pair: 2,8 in r8c29 => r8c46<>2, r8c6<>8
- X-Wing: 8 r48 c29 => r7c2<>8
- X-Wing: 8 r17 c57 => r39c5,r9c7<>8
- Hidden Rectangle: 4/7 in r3c13,r9c13 => r9c1<>7
- XY-Chain: 8 8- r4c9 -2- r6c8 -8- r3c8 -2- r2c7 -9- r2c1 -7- r6c1 -8 => r4c2,r6c8<>8
- Row 4 / Column 2 → 7 (Naked Single)
- Row 6 / Column 1 → 8 (Full House)
- Row 6 / Column 8 → 2 (Naked Single)
- Row 3 / Column 8 → 8 (Full House)
- Row 4 / Column 9 → 8 (Full House)
- Row 8 / Column 9 → 2 (Full House)
- Row 7 / Column 2 → 2 (Naked Single)
- Row 8 / Column 2 → 8 (Full House)
- Row 9 / Column 1 → 4 (Naked Single)
- Row 1 / Column 7 → 9 (Naked Single)
- Row 2 / Column 7 → 2 (Full House)
- Row 9 / Column 7 → 5 (Naked Single)
- Row 7 / Column 7 → 8 (Full House)
- Row 1 / Column 4 → 3 (Naked Single)
- Row 1 / Column 5 → 8 (Full House)
- Row 9 / Column 3 → 7 (Naked Single)
- Row 8 / Column 4 → 1 (Naked Single)
- Row 3 / Column 3 → 4 (Naked Single)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 9 / Column 6 → 8 (Full House)
- Row 7 / Column 4 → 7 (Naked Single)
- Row 8 / Column 3 → 5 (Naked Single)
- Row 7 / Column 3 → 1 (Full House)
- Row 7 / Column 5 → 5 (Full House)
- Row 8 / Column 6 → 3 (Full House)
- Row 2 / Column 4 → 9 (Naked Single)
- Row 4 / Column 4 → 2 (Full House)
- Row 4 / Column 5 → 9 (Naked Single)
- Row 4 / Column 6 → 5 (Full House)
- Row 6 / Column 6 → 7 (Naked Single)
- Row 6 / Column 5 → 3 (Full House)
- Row 3 / Column 5 → 7 (Full House)
- Row 2 / Column 1 → 7 (Naked Single)
- Row 2 / Column 6 → 1 (Full House)
- Row 3 / Column 6 → 2 (Full House)
- Row 3 / Column 1 → 9 (Full House)
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