(y^3 y^4 y^5 y^6 y^7 y^8)*(y^0 y^1 y^2 y^3 y^4 y^5)*(y^0 y^1 y^2 y^3 y^4 y^5 y^6)*(y^0 y^1 y^2 y^3 y^4 y^5 y^6 y^7 y^8 y^9 y^10 y^11 y^12 y^13 y^14 y^15 y^16)