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