Solution for Evil Sudoku #1347713524895
5
3
6
9
2
7
1
2
8
4
1
7
8
6
8
7
9
5
2
8
2
5
3
1
4
6
6
8
4
2
8
1
5
7
6
9
6
5
9
7
3
2
1
8
3
1
7
3
6
4
9
1
2
9
3
8
6
4
7
1
2
5
1
9
2
1
6
2
6
3
7
4
7
5
4
3
5
5
8
9
8
This Sudoku Puzzle has 65 steps and it is solved using Hidden Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Naked Triple, Naked Single, Locked Pair, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 1 / Column 5 → 1 (Hidden Single)
- Row 4 / Column 8 → 7 (Hidden Single)
- Row 3 / Column 7 → 4 (Hidden Single)
- Row 9 / Column 5 → 7 (Hidden Single)
- Row 8 / Column 2 → 7 (Hidden Single)
- Row 7 / Column 2 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 1 in b6 => r9c7<>1
- Locked Candidates Type 1 (Pointing): 8 in b8 => r8c9<>8
- Locked Candidates Type 2 (Claiming): 3 in r1 => r2c12,r3c2<>3
- Locked Candidates Type 2 (Claiming): 2 in c2 => r1c13,r2c1<>2
- Naked Triple: 1,6,9 in r4c46,r6c4 => r5c5,r6c6<>6, r5c5,r6c6<>9
- Row 5 / Column 5 → 3 (Naked Single)
- Row 6 / Column 6 → 3 (Naked Single)
- Row 2 / Column 8 → 3 (Hidden Single)
- Row 1 / Column 2 → 3 (Hidden Single)
- Row 7 / Column 1 → 3 (Hidden Single)
- Locked Candidates Type 2 (Claiming): 2 in r1 => r2c7,r3c9<>2
- Naked Triple: 5,6,9 in r1c13,r2c1 => r23c2<>6, r23c2<>9
- Row 2 / Column 2 → 2 (Naked Single)
- Row 3 / Column 2 → 2 (Naked Single)
- Row 6 / Column 2 → 6 (Hidden Single)
- Locked Pair: 6,9 in r23c5 => r2c46,r3c6,r78c5<>6, r2c46,r3c6,r78c5<>9
- Row 7 / Column 5 → 2 (Naked Single)
- Row 8 / Column 5 → 2 (Naked Single)
- Row 3 / Column 6 → 5 (Naked Single)
- Row 2 / Column 4 → 8 (Naked Single)
- Row 2 / Column 6 → 8 (Naked Single)
- Locked Pair: 6,9 in r3c89 => r1c79,r2c7,r3c5<>6, r1c79,r2c7,r3c5<>9
- Row 3 / Column 5 → 9 (Naked Single)
- Row 2 / Column 7 → 5 (Naked Single)
- Row 2 / Column 5 → 6 (Naked Single)
- Row 3 / Column 8 → 6 (Naked Single)
- Row 3 / Column 9 → 6 (Naked Single)
- Row 1 / Column 7 → 2 (Naked Single)
- Row 1 / Column 9 → 2 (Naked Single)
- Row 2 / Column 1 → 9 (Naked Single)
- Row 5 / Column 7 → 6 (Hidden Single)
- Locked Pair: 5,9 in r56c3 => r1c3,r5c1<>5, r4789c3<>9
- Row 1 / Column 3 → 6 (Naked Single)
- Row 4 / Column 3 → 2 (Naked Single)
- Row 7 / Column 3 → 6 (Naked Single)
- Row 5 / Column 1 → 8 (Naked Single)
- Row 1 / Column 1 → 5 (Naked Single)
- Row 8 / Column 3 → 1 (Naked Single)
- Row 4 / Column 1 → 8 (Naked Single)
- Row 9 / Column 3 → 1 (Naked Single)
- Row 9 / Column 1 → 2 (Naked Single)
- Row 9 / Column 8 → 9 (Naked Single)
- Row 7 / Column 8 → 5 (Full House)
- Row 8 / Column 8 → 5 (Full House)
- Row 8 / Column 9 → 5 (Naked Single)
- Row 9 / Column 7 → 8 (Naked Single)
- Row 9 / Column 9 → 8 (Naked Single)
- Row 7 / Column 4 → 9 (Naked Single)
- Row 5 / Column 9 → 9 (Naked Single)
- Row 4 / Column 7 → 1 (Full House)
- Row 5 / Column 3 → 5 (Full House)
- Row 6 / Column 7 → 1 (Full House)
- Row 6 / Column 9 → 9 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 8 / Column 4 → 6 (Naked Single)
- Row 8 / Column 6 → 6 (Naked Single)
- Row 4 / Column 4 → 6 (Naked Single)
- Row 6 / Column 3 → 9 (Naked Single)
- Row 4 / Column 6 → 9 (Naked Single)
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