Re: set partitioning

[hymort]

For the list [1,2,3,4], I'm looking for the following for k = 2:

[[1,2], [3,4]]
[[1,3], [2,4]]
[[1,4], [2,3]]

for k = 3:

[[1,2,3], [4]]
[[1,2,4], [3]]
[[1,3,4], [2]]
[[2,3,4], [1]]

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