The realization space is [1 1 0 1 0 1 1 0 1 x1 - 1 1] [1 0 1 2 0 1 0 x1 - 2 2 x1 -x1 + 2] [0 0 0 0 1 1 1 -x1 x1 x1 x1] in the multivariate polynomial ring in 1 variable over ZZ within the vanishing set of the ideal Ideal (x1^5 - 5*x1^4 + 2*x1^3) avoiding the zero loci of the polynomials RingElem[x1, 2, x1 - 1, x1 - 2, x1^2 - 2*x1 + 2, x1^2 - 2, x1 + 1, x1 + 2, x1^2 - x1 + 2]