x^16-17*x^14+119*x^12-442*x^10+935*x^8-1122*x^6+714*x^4-204*x^2+17
1
x^16+17*x^14+119*x^12+442*x^10+935*x^8+1122*x^6+714*x^4+204*x^2+17