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