Solution for Evil Sudoku #1386495213742
5
9
4
6
6
9
4
3
5
2
9
5
3
7
1
9
5
4
7
3
8
9
2
5
4
9
1
5
6
This Sudoku Puzzle has 60 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Naked Pair, undefined, Swordfish, Naked Single, Empty Rectangle, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 3 / Column 3 → 3 (Hidden Single)
- Row 3 / Column 7 → 9 (Hidden Single)
- Row 4 / Column 9 → 9 (Hidden Single)
- Row 8 / Column 5 → 9 (Hidden Single)
- Row 3 / Column 5 → 5 (Hidden Single)
- Row 7 / Column 2 → 5 (Hidden Single)
- Row 6 / Column 6 → 5 (Hidden Single)
- Row 6 / Column 1 → 4 (Hidden Single)
- Row 4 / Column 4 → 4 (Hidden Single)
- Row 2 / Column 8 → 6 (Hidden Single)
- Row 5 / Column 9 → 3 (Hidden Single)
- Row 7 / Column 9 → 4 (Hidden Single)
- Row 8 / Column 2 → 4 (Hidden Single)
- Row 6 / Column 3 → 7 (Hidden Single)
- Row 4 / Column 5 → 3 (Hidden Single)
- Row 1 / Column 8 → 4 (Hidden Single)
- Row 6 / Column 7 → 6 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 2 in b2 => r2c2<>2
- Locked Candidates Type 1 (Pointing): 6 in b5 => r5c1<>6
- Locked Candidates Type 1 (Pointing): 1 in b8 => r2c6<>1
- Naked Pair: 7,8 in r7c57 => r7c6<>8
- X-Wing: 7 r38 c14 => r12c4,r9c1<>7
- Swordfish: 2 c237 r149 => r49c1,r9c8<>2
- Row 9 / Column 1 → 1 (Naked Single)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 7 / Column 6 → 1 (Naked Single)
- Row 4 / Column 1 → 6 (Hidden Single)
- Naked Pair: 3,8 in r9c68 => r9c7<>8
- Empty Rectangle: 8 in b6 (r7c57) => r6c5<>8
- Row 6 / Column 5 → 2 (Naked Single)
- Row 2 / Column 6 → 2 (Hidden Single)
- Row 5 / Column 1 → 2 (Hidden Single)
- Row 4 / Column 3 → 1 (Naked Single)
- Row 1 / Column 3 → 2 (Full House)
- Row 4 / Column 2 → 8 (Full House)
- Row 4 / Column 7 → 2 (Full House)
- Row 8 / Column 1 → 7 (Naked Single)
- Row 3 / Column 1 → 8 (Full House)
- Row 9 / Column 2 → 2 (Full House)
- Row 9 / Column 7 → 7 (Naked Single)
- Row 7 / Column 7 → 8 (Full House)
- Row 7 / Column 5 → 7 (Full House)
- Row 2 / Column 5 → 8 (Full House)
- Row 3 / Column 8 → 1 (Naked Single)
- Row 3 / Column 4 → 7 (Full House)
- Row 9 / Column 8 → 3 (Naked Single)
- Row 8 / Column 8 → 2 (Full House)
- Row 6 / Column 8 → 8 (Full House)
- Row 9 / Column 6 → 8 (Full House)
- Row 6 / Column 9 → 1 (Full House)
- Row 1 / Column 4 → 1 (Naked Single)
- Row 2 / Column 4 → 3 (Full House)
- Row 2 / Column 9 → 7 (Naked Single)
- Row 1 / Column 9 → 8 (Full House)
- Row 1 / Column 2 → 7 (Full House)
- Row 2 / Column 2 → 1 (Full House)
- Row 5 / Column 6 → 6 (Naked Single)
- Row 5 / Column 4 → 8 (Full House)
- Row 8 / Column 4 → 6 (Full House)
- Row 8 / Column 6 → 3 (Full House)
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