Different state variations

[MartinuzziFrancesco]

https://arxiv.org/abs/2010.07103

[MartinuzziFrancesco]

x_old = [1, 2, 3, 4, 5, 6, 7, 8, 9]
es = ExtendedSquare()
x_new = es(x_old)
# x_new = [1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 4, 9, 16, 25, 36, 47, 64, 81]