-1/2 a^{c0,a2}_{a0,a1} b^{v0}_{a3} c^{c3,a4}_{c1,c2} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c1) a+(c2) a+(a0) a-(v0) a-(c3) a-(c0)
-1/2 a^{c0,a2}_{a0,a1} b^{v0}_{a3} c^{c3,a4}_{c1,c2} lambda2^{a1,a3}_{a2,a4} a+(c1) a+(c2) a+(a0) a-(v0) a-(c3) a-(c0)
-1/4 a^{c0,a3}_{a1,a2} b^{v0}_{a0} c^{c3,a4}_{c1,c2} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(c2) a+(a0) a-(v0) a-(c3) a-(c0)