- 32.08 + 889.7 \eta - 81.88 \chi_+ + 93.05 \chi_- - 9292 \eta^2 + 1584 \eta \chi_+ - 1817 \eta \chi_- - 0.3888 \chi_-^2 + 40350 \eta^3 - 9588 \eta^2 \chi_+ + 10930 \eta^2 \chi_- - 6.121 \eta \chi_+^2 - 60250 \eta^4 + 18190 \eta^3 \chi_+ - 20600 \eta^3 \chi_-