4
1
5
2
2
1
4
5
7
3
6
4
2
9
8
1
1
4
5
8
3
2
4
5
2
9
1
6
2
9
6
1
3
8
7
5
4
5
1
2
1
6
2
3
3
2
9
4
6
5
8
1
7
This Sudoku Puzzle has 6 steps and it is solved using Naked Single, Hidden Single, Locked Candidates Type 2 (Claiming), Discontinuous Nice Loop, Give Up techniques.
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