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