Solution for Evil Sudoku #2394765821344
8
7
9
1
5
2
3
4
6
1
4
5
3
6
9
2
8
7
6
3
2
4
7
8
1
5
9
4
6
1
9
8
5
7
2
3
7
9
2
6
3
4
8
5
1
5
8
3
2
1
7
9
6
4
6
1
4
2
9
8
5
3
7
9
7
8
5
1
3
4
2
6
3
2
5
7
4
6
8
9
1
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 → 9 (Naked Single)
- Row 5 / Column 9 → 7 (Naked Single)
- Row 5 / Column 5 → 3 (Full House)
- Row 2 / Column 1 → 1 (Hidden Single)
- Row 4 / Column 7 → 5 (Hidden Single)
- Row 9 / Column 8 → 9 (Hidden Single)
- Row 6 / Column 6 → 1 (Hidden Single)
- Row 6 / Column 3 → 3 (Hidden Single)
- Row 1 / Column 2 → 7 (Hidden Single)
- Row 1 / Column 1 → 8 (Hidden Single)
- Row 1 / Column 7 → 6 (Naked Single)
- Row 2 / Column 2 → 5 (Hidden Single)
- Row 3 / Column 3 → 6 (Hidden Single)
- Row 8 / Column 9 → 6 (Hidden Single)
- Row 7 / Column 1 → 6 (Hidden Single)
- Naked Pair: 2,4 in r8c18 => r8c46<>2, r8c4<>4
- X-Wing: 4 r48 c18 => r7c8<>4
- X-Wing: 4 r17 c35 => r39c5,r9c3<>4
- Hidden Rectangle: 1/8 in r3c79,r9c79 => r9c9<>8
- XY-Chain: 4 4- r4c1 -2- r6c2 -4- r3c2 -2- r2c3 -9- r2c9 -8- r6c9 -4 => r4c8,r6c2<>4
- Row 4 / Column 8 → 8 (Naked Single)
- Row 6 / Column 9 → 4 (Full House)
- Row 6 / Column 2 → 2 (Naked Single)
- Row 3 / Column 2 → 4 (Full House)
- Row 4 / Column 1 → 4 (Full House)
- Row 8 / Column 1 → 2 (Full House)
- Row 7 / Column 8 → 2 (Naked Single)
- Row 8 / Column 8 → 4 (Full House)
- Row 9 / Column 9 → 1 (Naked Single)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 2 / Column 3 → 2 (Full House)
- Row 9 / Column 3 → 7 (Naked Single)
- Row 7 / Column 3 → 4 (Full House)
- Row 1 / Column 6 → 5 (Naked Single)
- Row 1 / Column 5 → 4 (Full House)
- Row 9 / Column 7 → 8 (Naked Single)
- Row 8 / Column 6 → 3 (Naked Single)
- Row 3 / Column 7 → 1 (Naked Single)
- Row 9 / Column 5 → 2 (Naked Single)
- Row 9 / Column 4 → 4 (Full House)
- Row 7 / Column 6 → 8 (Naked Single)
- Row 8 / Column 7 → 7 (Naked Single)
- Row 7 / Column 7 → 3 (Full House)
- Row 7 / Column 5 → 7 (Full House)
- Row 8 / Column 4 → 5 (Full House)
- Row 2 / Column 6 → 9 (Naked Single)
- Row 4 / Column 6 → 2 (Full House)
- Row 4 / Column 5 → 9 (Naked Single)
- Row 4 / Column 4 → 7 (Full House)
- Row 6 / Column 4 → 8 (Naked Single)
- Row 6 / Column 5 → 5 (Full House)
- Row 3 / Column 5 → 8 (Full House)
- Row 2 / Column 9 → 8 (Naked Single)
- Row 2 / Column 4 → 3 (Full House)
- Row 3 / Column 4 → 2 (Full House)
- Row 3 / Column 9 → 9 (Full House)
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