Locked Triple
The three cells of a naked triple fit inside a line and a box at once, so the digits go from both.
How it works on this board
2, 3 and 5 must be used within the highlighted cells
9
6
7
1
8
4
2
1
7
6
9
5
8
1
3
2
9
8
4
6
7
5
1
2
4
3
1
6
9
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