Solution for Evil Sudoku #3181635249744
2
6
8
9
5
4
7
1
3
9
1
5
7
3
8
4
2
6
3
7
4
1
6
2
9
5
8
1
3
9
8
2
5
6
4
7
6
8
4
3
7
1
2
5
9
5
2
7
4
9
6
8
3
1
3
9
1
4
8
2
5
7
6
8
6
2
5
9
7
1
4
3
7
4
5
6
1
3
2
8
9
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 → 8 (Naked Single)
- Row 5 / Column 9 → 6 (Naked Single)
- Row 5 / Column 5 → 7 (Full House)
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 4 / Column 7 → 5 (Hidden Single)
- Row 9 / Column 8 → 8 (Hidden Single)
- Row 6 / Column 6 → 9 (Hidden Single)
- Row 6 / Column 3 → 7 (Hidden Single)
- Row 1 / Column 2 → 6 (Hidden Single)
- Row 1 / Column 1 → 2 (Hidden Single)
- Row 1 / Column 7 → 3 (Naked Single)
- Row 2 / Column 2 → 5 (Hidden Single)
- Row 3 / Column 3 → 3 (Hidden Single)
- Row 8 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 1 → 3 (Hidden Single)
- Naked Pair: 1,4 in r8c18 => r8c4<>1, r8c46<>4
- X-Wing: 1 r48 c18 => r7c8<>1
- X-Wing: 1 r17 c35 => r39c5,r9c3<>1
- Hidden Rectangle: 2/9 in r3c79,r9c79 => r9c9<>2
- XY-Chain: 1 1- r4c1 -4- r6c2 -1- r3c2 -4- r2c3 -8- r2c9 -2- r6c9 -1 => r4c8,r6c2<>1
- Row 4 / Column 8 → 2 (Naked Single)
- Row 6 / Column 9 → 1 (Full House)
- Row 6 / Column 2 → 4 (Naked Single)
- Row 3 / Column 2 → 1 (Full House)
- Row 4 / Column 1 → 1 (Full House)
- Row 8 / Column 1 → 4 (Full House)
- Row 7 / Column 8 → 4 (Naked Single)
- Row 8 / Column 8 → 1 (Full House)
- Row 9 / Column 9 → 9 (Naked Single)
- Row 1 / Column 3 → 8 (Naked Single)
- Row 2 / Column 3 → 4 (Full House)
- Row 9 / Column 3 → 6 (Naked Single)
- Row 7 / Column 3 → 1 (Full House)
- Row 1 / Column 6 → 5 (Naked Single)
- Row 1 / Column 5 → 1 (Full House)
- Row 9 / Column 7 → 2 (Naked Single)
- Row 8 / Column 6 → 7 (Naked Single)
- Row 3 / Column 7 → 9 (Naked Single)
- Row 9 / Column 5 → 4 (Naked Single)
- Row 9 / Column 4 → 1 (Full House)
- Row 7 / Column 6 → 2 (Naked Single)
- Row 8 / Column 7 → 6 (Naked Single)
- Row 7 / Column 7 → 7 (Full House)
- Row 7 / Column 5 → 6 (Full House)
- Row 8 / Column 4 → 5 (Full House)
- Row 2 / Column 6 → 8 (Naked Single)
- Row 4 / Column 6 → 4 (Full House)
- Row 4 / Column 5 → 8 (Naked Single)
- Row 4 / Column 4 → 6 (Full House)
- Row 6 / Column 4 → 2 (Naked Single)
- Row 6 / Column 5 → 5 (Full House)
- Row 3 / Column 5 → 2 (Full House)
- Row 2 / Column 9 → 2 (Naked Single)
- Row 2 / Column 4 → 7 (Full House)
- Row 3 / Column 4 → 4 (Full House)
- Row 3 / Column 9 → 8 (Full House)
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