grouping and buddying by groupe

If nobody ask it it could be great to have grouping by 2 by 4 and by Groupe and the same fot buddying.

So if you select groupe 1 thru 4 you could have groupe 1 fane value 1, goupe 2 fane value 2 and so on, or a fan on groupe 1, the same on groupe 2......
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