Solution for Evil Sudoku #4439281475644
4
5
6
2
1
9
3
7
8
9
3
2
8
4
7
5
1
6
8
7
1
5
3
6
9
4
2
5
6
7
9
8
4
1
3
2
2
8
4
3
6
1
7
9
5
3
1
9
2
5
7
4
6
8
8
9
5
6
2
1
7
4
3
1
7
3
4
5
8
6
2
9
6
2
4
7
9
3
1
8
5
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 1 / Column 5 → 3 (Naked Single)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 5 / Column 5 → 6 (Full House)
- Row 3 / Column 6 → 6 (Hidden Single)
- Row 1 / Column 2 → 5 (Hidden Single)
- Row 6 / Column 6 → 5 (Hidden Single)
- Row 2 / Column 1 → 2 (Hidden Single)
- Row 8 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 4 → 1 (Hidden Single)
- Row 1 / Column 1 → 4 (Hidden Single)
- Row 7 / Column 1 → 8 (Naked Single)
- Row 2 / Column 2 → 1 (Hidden Single)
- Row 3 / Column 3 → 8 (Hidden Single)
- Row 9 / Column 8 → 8 (Hidden Single)
- Row 1 / Column 7 → 8 (Hidden Single)
- Naked Pair: 7,9 in r18c8 => r46c8<>7, r4c8<>9
- X-Wing: 9 c48 r18 => r8c7<>9
- X-Wing: 9 c17 r35 => r35c9,r5c3<>9
- Hidden Rectangle: 4/5 in r7c39,r9c39 => r9c9<>4
- XY-Chain: 7 7- r1c8 -9- r1c4 -7- r2c6 -9- r9c6 -4- r9c2 -3- r3c2 -7 => r3c79<>7
- Row 3 / Column 9 → 2 (Naked Single)
- Row 3 / Column 7 → 9 (Naked Single)
- Row 1 / Column 8 → 7 (Full House)
- Row 1 / Column 4 → 9 (Full House)
- Row 2 / Column 6 → 7 (Full House)
- Row 2 / Column 3 → 9 (Full House)
- Row 3 / Column 1 → 3 (Naked Single)
- Row 3 / Column 2 → 7 (Full House)
- Row 8 / Column 8 → 9 (Naked Single)
- Row 8 / Column 4 → 4 (Naked Single)
- Row 8 / Column 7 → 7 (Full House)
- Row 9 / Column 6 → 9 (Full House)
- Row 6 / Column 1 → 1 (Naked Single)
- Row 5 / Column 1 → 9 (Full House)
- Row 9 / Column 9 → 5 (Naked Single)
- Row 6 / Column 8 → 6 (Naked Single)
- Row 7 / Column 9 → 4 (Naked Single)
- Row 6 / Column 7 → 4 (Naked Single)
- Row 7 / Column 8 → 2 (Naked Single)
- Row 4 / Column 8 → 1 (Full House)
- Row 7 / Column 7 → 6 (Full House)
- Row 7 / Column 3 → 5 (Full House)
- Row 5 / Column 7 → 2 (Full House)
- Row 5 / Column 9 → 7 (Naked Single)
- Row 4 / Column 9 → 9 (Full House)
- Row 6 / Column 2 → 3 (Naked Single)
- Row 6 / Column 4 → 7 (Full House)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 5 / Column 6 → 1 (Full House)
- Row 5 / Column 4 → 3 (Naked Single)
- Row 5 / Column 3 → 4 (Full House)
- Row 4 / Column 4 → 2 (Full House)
- Row 9 / Column 2 → 4 (Naked Single)
- Row 4 / Column 2 → 6 (Full House)
- Row 4 / Column 3 → 7 (Full House)
- Row 9 / Column 3 → 3 (Full House)
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