More example tuples of replica set representation follow
[0]
4
[{0}, {1, 2, 3}]
[0, 1]
4
[{0}, {1}, {2, 3}]
[0, 1], [2, 3]]
4
[{0, 1}, {2, 3}]
[]
4
[{0, 1, 2, 3}]
[range(0, 16, 2)]
16
[set(range(0, 16, 2)), set(range(1, 16, 2))