2
x*(x+y)*(x^2+x+y^2)*(x^2+x+y+1)*(x^2+x+y^2+1)*(x^3+x+y^3)*(x^3+x+y+1)*(x^3+x+y^3+1)*(x^3+x+y^3+y+1)*(x^3+x+y^3+y^2+1);
x^2+x+1;
x^3+x+1;
x^4+x+1;
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