Solution for Evil Sudoku #1248713524895
9
1
9
8
3
7
2
5
4
3
5
5
7
4
2
8
6
9
4
2
8
5
5
9
7
3
1
7
6
5
1
2
3
4
2
8
9
2
3
5
9
8
1
7
1
1
8
4
6
7
6
9
9
3
5
7
8
3
9
2
6
9
1
6
9
6
4
1
7
2
3
8
2
1
2
8
6
5
3
4
7
This Sudoku Puzzle has 64 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 4 / Column 8 → 8 (Hidden Single)
- Row 5 / Column 1 → 1 (Hidden Single)
- Row 3 / Column 3 → 4 (Hidden Single)
- Row 3 / Column 4 → 8 (Hidden Single)
- Row 8 / Column 7 → 8 (Hidden Single)
- Row 1 / Column 9 → 8 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b6 => r6c2<>5
- Locked Candidates Type 2 (Claiming): 3 in c1 => r8c23,r9c2<>3
- Naked Triple: 3,6,9 in r4c46,r5c5 => r6c46<>6, r6c46<>9
- Row 6 / Column 4 → 1 (Naked Single)
- Row 6 / Column 6 → 1 (Naked Single)
- Row 3 / Column 9 → 1 (Hidden Single)
- Row 7 / Column 8 → 1 (Hidden Single)
- Row 1 / Column 8 → 2 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 5 in b3 => r2c23<>5
- Locked Candidates Type 1 (Pointing): 6 in b3 => r2c234<>6
- Locked Candidates Type 1 (Pointing): 9 in b3 => r2c234<>9
- Row 2 / Column 2 → 3 (Naked Single)
- Row 2 / Column 4 → 7 (Naked Single)
- Row 2 / Column 3 → 7 (Naked Single)
- Row 8 / Column 6 → 7 (Hidden Single)
- Row 9 / Column 9 → 7 (Hidden Single)
- Row 5 / Column 8 → 7 (Hidden Single)
- Row 8 / Column 1 → 3 (Hidden Single)
- Locked Candidates Type 2 (Claiming): 2 in r8 => r79c1,r9c2<>2
- Row 3 / Column 1 → 2 (Hidden Single)
- Naked Triple: 5,6,9 in r1c56,r3c5 => r3c6<>5, r3c6<>6, r3c6<>9
- Row 3 / Column 6 → 9 (Naked Single)
- Locked Pair: 5,6 in r1c56 => r1c13,r3c5<>5, r1c13,r3c5<>6
- Row 1 / Column 1 → 9 (Naked Single)
- Row 1 / Column 3 → 9 (Naked Single)
- Row 3 / Column 5 → 6 (Naked Single)
- Row 1 / Column 5 → 5 (Naked Single)
- Row 1 / Column 6 → 5 (Naked Single)
- Row 3 / Column 2 → 5 (Naked Single)
- Row 4 / Column 3 → 5 (Hidden Single)
- Row 7 / Column 1 → 5 (Hidden Single)
- Row 9 / Column 1 → 6 (Full House)
- Row 8 / Column 3 → 2 (Naked Single)
- Row 9 / Column 2 → 9 (Full House)
- Row 8 / Column 2 → 9 (Full House)
- Row 4 / Column 2 → 6 (Naked Single)
- Row 9 / Column 4 → 2 (Naked Single)
- Row 9 / Column 5 → 3 (Full House)
- Row 9 / Column 7 → 3 (Full House)
- Row 8 / Column 8 → 6 (Naked Single)
- Row 4 / Column 4 → 9 (Naked Single)
- Row 4 / Column 6 → 3 (Full House)
- Row 7 / Column 4 → 6 (Full House)
- Row 5 / Column 2 → 2 (Naked Single)
- Row 5 / Column 3 → 3 (Naked Single)
- Row 6 / Column 2 → 2 (Full House)
- Row 5 / Column 5 → 9 (Naked Single)
- Row 7 / Column 5 → 9 (Naked Single)
- Row 7 / Column 6 → 6 (Naked Single)
- Row 5 / Column 7 → 6 (Naked Single)
- Row 5 / Column 9 → 6 (Naked Single)
- Row 7 / Column 7 → 2 (Naked Single)
- Row 7 / Column 9 → 2 (Naked Single)
- Row 2 / Column 9 → 9 (Naked Single)
- Row 2 / Column 7 → 5 (Full House)
- Row 2 / Column 8 → 5 (Full House)
- Row 6 / Column 7 → 9 (Naked Single)
- Row 6 / Column 8 → 9 (Naked Single)
Show More...