Solution for Easy Sudoku #1421386795417
6
2
8
4
7
3
2
4
8
6
7
4
8
5
9
7
4
5
3
7
1
7
3
5
5
7
3
6
9
6
3
5
7
1
This Sudoku Puzzle has 60 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 1 (Pointing), Naked Triple, Hidden Pair, undefined, Locked Candidates Type 2 (Claiming), Naked Pair, Full House techniques.
Naked Single
Explanation
Hidden Single
Explanation
Hidden Pair
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
Full House
Explanation
Solution Steps:
- Row 2 / Column 7 → 6 (Naked Single)
- Row 3 / Column 7 → 2 (Naked Single)
- Row 7 / Column 3 → 8 (Hidden Single)
- Row 2 / Column 8 → 3 (Hidden Single)
- Row 1 / Column 5 → 3 (Hidden Single)
- Row 2 / Column 4 → 5 (Hidden Single)
- Row 2 / Column 5 → 7 (Hidden Single)
- Row 5 / Column 4 → 7 (Hidden Single)
- Locked Candidates Type 1 (Pointing): 9 in b7 => r8c56<>9
- Locked Candidates Type 1 (Pointing): 2 in b9 => r9c5<>2
- Naked Triple: 1,8,9 in r389c6 => r456c6<>1, r456c6<>8, r56c6<>9
- Locked Candidates Type 1 (Pointing): 8 in b5 => r89c5<>8
- Hidden Pair: 3,5 in r4c16 => r4c16<>6, r4c1<>8
- Row 4 / Column 9 → 6 (Hidden Single)
- 2-String Kite: 1 in r1c4,r6c3 (connected by r1c2,r2c3) => r6c4<>1
- 2-String Kite: 1 in r3c8,r4c4 (connected by r1c4,r3c6) => r4c8<>1
- Locked Candidates Type 2 (Claiming): 1 in r4 => r56c5<>1
- Naked Pair: 2,8 in r49c8 => r5c8<>2, r5c8<>8
- Locked Candidates Type 1 (Pointing): 8 in b6 => r4c5<>8
- 2-String Kite: 2 in r6c3,r7c4 (connected by r7c2,r8c3) => r6c4<>2
- 2-String Kite: 4 in r4c7,r9c5 (connected by r8c7,r9c9) => r4c5<>4
- W-Wing: 9/4 in r6c4,r9c5 connected by 4 in r69c9 => r56c5<>9
- Row 9 / Column 5 → 9 (Hidden Single)
- Row 9 / Column 6 → 8 (Naked Single)
- Row 8 / Column 6 → 1 (Naked Single)
- Row 9 / Column 8 → 2 (Naked Single)
- Row 9 / Column 9 → 4 (Full House)
- Row 8 / Column 7 → 8 (Full House)
- Row 4 / Column 7 → 4 (Full House)
- Row 3 / Column 6 → 9 (Naked Single)
- Row 1 / Column 4 → 1 (Full House)
- Row 3 / Column 8 → 1 (Full House)
- Row 2 / Column 9 → 9 (Full House)
- Row 2 / Column 3 → 1 (Full House)
- Row 4 / Column 8 → 8 (Naked Single)
- Row 5 / Column 8 → 9 (Full House)
- Row 1 / Column 2 → 5 (Naked Single)
- Row 1 / Column 1 → 9 (Full House)
- Row 4 / Column 4 → 2 (Naked Single)
- Row 6 / Column 3 → 2 (Naked Single)
- Row 8 / Column 3 → 9 (Full House)
- Row 8 / Column 1 → 6 (Naked Single)
- Row 4 / Column 5 → 1 (Naked Single)
- Row 5 / Column 5 → 8 (Naked Single)
- Row 7 / Column 4 → 4 (Naked Single)
- Row 6 / Column 4 → 9 (Full House)
- Row 7 / Column 2 → 2 (Full House)
- Row 8 / Column 5 → 2 (Full House)
- Row 6 / Column 5 → 4 (Full House)
- Row 8 / Column 2 → 4 (Full House)
- Row 6 / Column 9 → 1 (Naked Single)
- Row 5 / Column 9 → 2 (Full House)
- Row 5 / Column 1 → 3 (Naked Single)
- Row 6 / Column 2 → 6 (Naked Single)
- Row 5 / Column 2 → 1 (Full House)
- Row 5 / Column 6 → 6 (Full House)
- Row 4 / Column 1 → 5 (Naked Single)
- Row 4 / Column 6 → 3 (Full House)
- Row 6 / Column 6 → 5 (Full House)
- Row 6 / Column 1 → 8 (Full House)
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