1ring R = 0, (x1, x2), lp;
2int noVars = 0;
3poly p =
4 -x1*x2^2
5 +x1*x2^5
6 +0*x2^9
7 +0*x2^7
8 -x2^3
9 +x2^4
10 +x2^6
11 +0*x1*x2^8
12 -x2;
13