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