a^{c1}_{c0} b^{a1,v0}_{c2,a0} c^{a3,v1}_{c3,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c2) a+(c3) a-(v1) a-(v0) a-(c1)
+a^{c1}_{c0} b^{a1,v0}_{c2,a0} c^{a3,v1}_{c3,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c2) a+(c3) a-(v1) a-(v0) a-(c1)