The realization space is
  [1   1   0   0   1   1         0                    -x1 + 1                -x1 + 1              1                      x1 - 2]
  [1   0   1   0   1   0         1               -x1^2 + 2*x1           -x1^2 + 2*x1             x1                 x1^2 - 2*x1]
  [0   0   0   1   1   1   -x1 + 1   x1^3 - 4*x1^2 + 4*x1 - 1   x1^3 - 3*x1^2 + 2*x1   -x1^2 + 2*x1   -x1^3 + 4*x1^2 - 4*x1 + 1]
in the multivariate polynomial ring in 1 variable over ZZ
within the vanishing set of the ideal
Ideal (x1^10 - 10*x1^9 + 42*x1^8 - 97*x1^7 + 135*x1^6 - 116*x1^5 + 60*x1^4 - 17*x1^3 + 2*x1^2)
avoiding the zero loci of the polynomials
RingElem[x1 - 1, x1, x1^2 - 3*x1 + 1, x1^3 - 3*x1^2 + 2*x1 - 1, x1^4 - 4*x1^3 + 6*x1^2 - 5*x1 + 1, x1^2 - 2*x1 + 2, x1^2 - 3*x1 + 3, x1 - 3, x1^3 - 4*x1^2 + 5*x1 - 3, x1 - 2, x1^3 - 4*x1^2 + 5*x1 - 1]