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