Solution for Evil Sudoku #2421964785396
9
6
5
4
3
1
7
8
2
4
7
2
5
8
6
1
3
9
3
8
1
7
9
2
4
5
6
2
4
6
8
5
3
1
7
9
7
5
8
9
4
1
6
2
3
1
3
9
6
2
7
8
4
5
5
2
4
3
9
7
6
1
8
8
1
7
2
6
4
3
9
5
9
6
3
5
1
8
2
7
4
This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Pair, Naked Single, Locked Candidates Type 1 (Pointing), Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 5 / Column 2 → 5 (Hidden Single)
- Row 4 / Column 9 → 9 (Hidden Single)
- Row 5 / Column 8 → 2 (Hidden Single)
- Row 9 / Column 8 → 7 (Hidden Single)
- Row 6 / Column 7 → 8 (Hidden Single)
- Row 6 / Column 1 → 1 (Hidden Single)
- Row 3 / Column 2 → 8 (Hidden Single)
- Row 8 / Column 4 → 2 (Hidden Single)
- Row 7 / Column 8 → 6 (Hidden Single)
- Row 6 / Column 9 → 5 (Hidden Single)
- Row 8 / Column 8 → 1 (Hidden Single)
- Row 7 / Column 5 → 1 (Hidden Single)
- Row 5 / Column 6 → 1 (Hidden Single)
- Locked Pair: 3,5 in r78c1 => r13c1<>3, r19c1,r79c3<>5
- Row 9 / Column 1 → 6 (Naked Single)
- Locked Candidates Type 1 (Pointing): 3 in b5 => r23c6<>3
- Locked Pair: 5,6 in r2c46 => r1c4,r2c239,r3c6<>6, r1c4,r2c3<>5
- Row 2 / Column 2 → 3 (Naked Single)
- Row 1 / Column 3 → 5 (Hidden Single)
- Row 1 / Column 9 → 1 (Hidden Single)
- Row 2 / Column 9 → 2 (Naked Single)
- Row 2 / Column 3 → 1 (Naked Single)
- Row 9 / Column 9 → 4 (Naked Single)
- Row 7 / Column 9 → 3 (Naked Single)
- Row 3 / Column 9 → 6 (Full House)
- Row 9 / Column 3 → 8 (Naked Single)
- Row 9 / Column 5 → 9 (Naked Single)
- Row 7 / Column 1 → 5 (Naked Single)
- Row 8 / Column 7 → 5 (Naked Single)
- Row 3 / Column 3 → 2 (Naked Single)
- Row 7 / Column 3 → 4 (Naked Single)
- Row 8 / Column 1 → 3 (Full House)
- Row 8 / Column 6 → 4 (Full House)
- Row 4 / Column 3 → 6 (Full House)
- Row 5 / Column 5 → 4 (Naked Single)
- Row 5 / Column 4 → 9 (Full House)
- Row 9 / Column 6 → 5 (Naked Single)
- Row 9 / Column 7 → 2 (Full House)
- Row 7 / Column 7 → 9 (Full House)
- Row 7 / Column 4 → 8 (Full House)
- Row 3 / Column 6 → 9 (Naked Single)
- Row 2 / Column 6 → 6 (Naked Single)
- Row 2 / Column 4 → 5 (Full House)
- Row 4 / Column 4 → 7 (Naked Single)
- Row 3 / Column 1 → 7 (Naked Single)
- Row 6 / Column 6 → 3 (Naked Single)
- Row 4 / Column 6 → 8 (Full House)
- Row 6 / Column 4 → 6 (Full House)
- Row 1 / Column 4 → 4 (Full House)
- Row 4 / Column 1 → 2 (Naked Single)
- Row 1 / Column 1 → 9 (Full House)
- Row 1 / Column 2 → 6 (Full House)
- Row 4 / Column 2 → 4 (Naked Single)
- Row 4 / Column 8 → 3 (Full House)
- Row 6 / Column 8 → 4 (Full House)
- Row 6 / Column 2 → 7 (Full House)
- Row 3 / Column 5 → 3 (Naked Single)
- Row 1 / Column 5 → 7 (Full House)
- Row 1 / Column 7 → 3 (Full House)
- Row 3 / Column 7 → 4 (Full House)
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