-a^{c0,v0}_{c3,a0} b^{a2}_{a1} c^{c2,c3}_{c1,a3} eta1^{a3}_{a2} a+(c1) a+(a0) a+(a1) a-(v0) a-(c2) a-(c0)
+a^{c0,v0}_{c3,a2} b^{a3}_{a0} c^{c2,c3}_{c1,a1} gamma1^{a2}_{a3} a+(c1) a+(a0) a+(a1) a-(v0) a-(c2) a-(c0)