3
1
7
8
3
2
6
4
6
9
8
5
5
8
3
1
7
4
6
8
4
9
This Sudoku Puzzle has 21 steps and it is solved using Hidden Single, Naked Single, Locked Candidates Type 1 (Pointing), Locked Candidates Type 2 (Claiming), Hidden Pair, Naked Triple, undefined, Give Up techniques.
Naked Single
Explanation
Hidden Single
Explanation
Hidden Pair
Explanation
Locked Candidates
Explanation
Locked Candidates
Explanation
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