i1 : partitions(set{1,2,3,4},{2,1,1})
o1 = {set {set {1, 2}, set {3}, set {4}}, set {set {1, 3}, set {2}, set {4}},
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set {set {1, 4}, set {2}, set {3}}, set {set {1}, set {2, 3}, set {4}},
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set {set {1}, set {2, 4}, set {3}}, set {set {1}, set {2}, set {3, 4}}}
o1 : List
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i2 : partitions(set{a,b,c,d,e},new Partition from {3,2})
o2 = {set {set {a, b}, set {c, d, e}}, set {set {a, c, d}, set {b, e}}, set
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{set {a, e}, set {b, c, d}}, set {set {a, c, e}, set {b, d}}, set {set
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{a, d}, set {b, c, e}}, set {set {a, b, c}, set {d, e}}, set {set {a, d,
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e}, set {b, c}}, set {set {a, c}, set {b, d, e}}, set {set {a, b, d},
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set {c, e}}, set {set {a, b, e}, set {c, d}}}
o2 : List
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