X = -i sqrt(1+2 2^(1/4)+sqrt(2))
X = i sqrt(1+2 2^(1/4)+sqrt(2))
X = -i sqrt(1-2 2^(1/4)+sqrt(2))
X = i sqrt(1-2 2^(1/4)+sqrt(2))
X = -sqrt(-1-2 i 2^(1/4)+sqrt(2))
X = sqrt(-1-2 i 2^(1/4)+sqrt(2))
X = -sqrt(-1+2 i 2^(1/4)+sqrt(2))
X = sqrt(-1+2 i 2^(1/4)+sqrt(2))