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