The realization space is [1 0 1 x1 - 1 0 1 0 x1 - 1 x1^2 - 3*x1 + 2 x1 - 1 x1 - 1] [0 1 1 x1 0 0 1 x1 - 1 x1^2 - 2*x1 -x1^2 + 2*x1 -x1^2 + 2*x1] [0 0 0 0 1 1 -1 -x1^2 + 2*x1 -x1 + 1 x1 - 1 x1^2 - x1] in the multivariate polynomial ring in 1 variable over ZZ within the vanishing set of the ideal Ideal (x1^10 - 10*x1^9 + 43*x1^8 - 107*x1^7 + 176*x1^6 - 205*x1^5 + 170*x1^4 - 94*x1^3 + 30*x1^2 - 4*x1) avoiding the zero loci of the polynomials RingElem[x1, x1 - 2, x1 - 1, x1^2 - x1 - 1, x1^4 - 4*x1^3 + 4*x1^2 - x1 + 1, x1^3 - 5*x1^2 + 6*x1 - 1, 2*x1 - 3, x1^2 - 3*x1 + 1, x1^3 - 4*x1^2 + 3*x1 + 1, x1^3 - 2*x1^2 + x1 - 1]