The realization space is [1 0 1 1 1 0 2 1 1 0 1] [0 1 1 x1 + 1 0 0 0 1 -x1 + 1 1 x1 + 1] [0 0 0 0 1 1 x1 + 1 1 x1 1 x1] in the multivariate polynomial ring in 1 variable over ZZ within the vanishing set of the ideal Ideal (x1^6 + 3*x1^5 - 3*x1^4 - 3*x1^3 + 2*x1^2) avoiding the zero loci of the polynomials RingElem[x1, 2, x1 + 3, x1 - 1, x1 + 2, x1 + 1, 2*x1 - 1, 3, x1 - 2]