Sue de Coq (cannibalistic)
The two side sets share a digit while filling the intersection, so that digit goes from cells seeing all of its occurrences in both sets.
How it works on this board
The box and line sets share 2 while accounting exactly for the intersection
4
8
1
1
6
4
7
8
3
5
8
7
2
1
4
4
8
7
4
6
5
3
6
5
7
9
7
1
9
3
8
3
7
7
5
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