Solution for Evil Sudoku #4381637925493
1
7
6
4
2
5
3
8
9
2
8
9
1
3
7
5
6
4
5
4
3
6
8
9
1
7
2
6
1
7
9
4
3
8
5
2
8
9
5
6
7
2
3
4
1
3
2
4
8
1
5
7
9
6
7
6
8
5
9
4
2
3
1
9
2
3
7
1
6
4
5
8
4
5
1
2
3
8
9
6
7
This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Candidates Type 1 (Pointing), Locked Pair techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 6 → 5 (Naked Single)
- Row 4 / Column 4 → 8 (Naked Single)
- Row 5 / Column 6 → 2 (Naked Single)
- Row 6 / Column 4 → 3 (Full House)
- Row 1 / Column 6 → 9 (Hidden Single)
- Row 5 / Column 3 → 3 (Hidden Single)
- Row 8 / Column 8 → 3 (Hidden Single)
- Row 1 / Column 9 → 3 (Hidden Single)
- Row 8 / Column 2 → 9 (Hidden Single)
- Row 2 / Column 5 → 3 (Hidden Single)
- Row 8 / Column 1 → 5 (Hidden Single)
- Row 7 / Column 2 → 6 (Hidden Single)
- Row 2 / Column 4 → 1 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 7 in b6 => r6c123<>7
- Locked Pair: 2,8 in r6c13 => r6c2<>2, r56c2,r6c78<>8
- Row 6 / Column 2 → 5 (Naked Single)
- Row 6 / Column 9 → 6 (Naked Single)
- Locked Candidates Type 1 (Pointing): 1 in b7 => r4c3<>1
- Locked Candidates Type 1 (Pointing): 6 in b8 => r8c7<>6
- Locked Pair: 2,4 in r78c7 => r129c7,r7c9<>2, r1259c7,r7c9,r9c8<>4
- Row 7 / Column 9 → 1 (Naked Single)
- Row 4 / Column 9 → 4 (Naked Single)
- Row 7 / Column 5 → 2 (Naked Single)
- Row 4 / Column 3 → 7 (Naked Single)
- Row 4 / Column 2 → 1 (Full House)
- Row 5 / Column 9 → 5 (Naked Single)
- Row 3 / Column 9 → 2 (Full House)
- Row 1 / Column 5 → 8 (Naked Single)
- Row 7 / Column 7 → 4 (Naked Single)
- Row 9 / Column 4 → 4 (Naked Single)
- Row 5 / Column 2 → 4 (Naked Single)
- Row 5 / Column 7 → 8 (Naked Single)
- Row 5 / Column 8 → 1 (Full House)
- Row 3 / Column 5 → 6 (Naked Single)
- Row 8 / Column 5 → 1 (Full House)
- Row 7 / Column 3 → 8 (Naked Single)
- Row 7 / Column 1 → 7 (Full House)
- Row 8 / Column 7 → 2 (Naked Single)
- Row 8 / Column 4 → 7 (Naked Single)
- Row 8 / Column 6 → 6 (Full House)
- Row 8 / Column 3 → 4 (Full House)
- Row 9 / Column 1 → 2 (Naked Single)
- Row 9 / Column 3 → 1 (Full House)
- Row 6 / Column 3 → 2 (Full House)
- Row 6 / Column 1 → 8 (Full House)
- Row 2 / Column 1 → 4 (Full House)
- Row 3 / Column 4 → 5 (Naked Single)
- Row 1 / Column 4 → 2 (Full House)
- Row 2 / Column 6 → 7 (Naked Single)
- Row 3 / Column 6 → 4 (Full House)
- Row 1 / Column 2 → 7 (Naked Single)
- Row 2 / Column 7 → 6 (Naked Single)
- Row 1 / Column 7 → 5 (Naked Single)
- Row 1 / Column 8 → 4 (Full House)
- Row 3 / Column 2 → 8 (Naked Single)
- Row 2 / Column 2 → 2 (Full House)
- Row 2 / Column 8 → 8 (Full House)
- Row 3 / Column 8 → 7 (Full House)
- Row 9 / Column 7 → 9 (Naked Single)
- Row 6 / Column 7 → 7 (Full House)
- Row 6 / Column 8 → 9 (Full House)
- Row 9 / Column 8 → 6 (Full House)
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