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