Solution for Evil Sudoku #1394836271595
8
3
5
9
8
4
5
3
1
3
4
2
8
7
5
6
1
7
1
2
3
6
9
8
9
6
This Sudoku Puzzle has 62 steps and it is solved using Naked Single, Full House, Hidden Single, Locked Pair, Locked Triple, Locked Candidates Type 1 (Pointing) techniques.
Naked Single
Explanation
Hidden Single
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 4 / Column 4 → 3 (Naked Single)
- Row 4 / Column 6 → 4 (Naked Single)
- Row 6 / Column 4 → 1 (Naked Single)
- Row 6 / Column 6 → 6 (Naked Single)
- Row 5 / Column 5 → 9 (Full House)
- Row 1 / Column 5 → 3 (Hidden Single)
- Row 1 / Column 3 → 1 (Hidden Single)
- Row 6 / Column 7 → 3 (Hidden Single)
- Row 7 / Column 5 → 1 (Hidden Single)
- Locked Pair: 6,7 in r23c5 => r2c4,r89c5<>7
- Locked Triple: 2,3,4 in r789c8 => r23c8,r8c9<>2, r2c8,r89c9,r9c7<>4
- Locked Candidates Type 1 (Pointing): 2 in b1 => r5c1<>2
- Locked Candidates Type 1 (Pointing): 4 in b1 => r78c2<>4
- Locked Candidates Type 1 (Pointing): 5 in b4 => r79c1<>5
- Locked Candidates Type 1 (Pointing): 9 in b6 => r4c13<>9
- Row 4 / Column 3 → 7 (Naked Single)
- Row 2 / Column 1 → 9 (Hidden Single)
- Row 2 / Column 8 → 6 (Naked Single)
- Row 2 / Column 5 → 7 (Naked Single)
- Row 2 / Column 2 → 4 (Naked Single)
- Row 3 / Column 5 → 6 (Naked Single)
- Row 3 / Column 2 → 7 (Naked Single)
- Row 1 / Column 2 → 6 (Naked Single)
- Row 1 / Column 1 → 2 (Full House)
- Row 7 / Column 2 → 5 (Naked Single)
- Locked Candidates Type 1 (Pointing): 5 in b8 => r8c9<>5
- Row 8 / Column 9 → 7 (Naked Single)
- Row 1 / Column 9 → 4 (Naked Single)
- Row 1 / Column 7 → 7 (Full House)
- Row 7 / Column 4 → 7 (Hidden Single)
- Row 7 / Column 1 → 6 (Naked Single)
- Row 5 / Column 1 → 5 (Naked Single)
- Row 7 / Column 3 → 4 (Naked Single)
- Row 7 / Column 8 → 2 (Full House)
- Row 4 / Column 1 → 8 (Naked Single)
- Row 9 / Column 1 → 7 (Full House)
- Row 5 / Column 9 → 2 (Naked Single)
- Row 9 / Column 3 → 3 (Naked Single)
- Row 4 / Column 8 → 9 (Naked Single)
- Row 4 / Column 7 → 5 (Full House)
- Row 6 / Column 2 → 9 (Naked Single)
- Row 8 / Column 2 → 8 (Full House)
- Row 8 / Column 3 → 9 (Full House)
- Row 5 / Column 3 → 6 (Naked Single)
- Row 5 / Column 7 → 4 (Full House)
- Row 6 / Column 9 → 8 (Full House)
- Row 6 / Column 3 → 2 (Full House)
- Row 9 / Column 8 → 4 (Naked Single)
- Row 3 / Column 8 → 8 (Naked Single)
- Row 8 / Column 8 → 3 (Full House)
- Row 9 / Column 7 → 1 (Naked Single)
- Row 9 / Column 9 → 5 (Full House)
- Row 3 / Column 9 → 1 (Full House)
- Row 9 / Column 5 → 8 (Full House)
- Row 8 / Column 5 → 4 (Full House)
- Row 2 / Column 7 → 2 (Naked Single)
- Row 3 / Column 7 → 9 (Full House)
- Row 3 / Column 6 → 2 (Full House)
- Row 2 / Column 4 → 5 (Naked Single)
- Row 2 / Column 6 → 1 (Full House)
- Row 8 / Column 6 → 5 (Full House)
- Row 8 / Column 4 → 2 (Full House)
Show More...