a^{v0,v2}_{c0,a1} b^{v1}_{v2} c^{c2,a2}_{c1,a0} gamma1^{a1}_{a2} a+(c0) a+(c1) a+(a0) a-(v1) a-(v0) a-(c2)
-a^{v0,v2}_{c1,a0} b^{v1}_{v2} c^{c1,a2}_{c0,a1} a+(c0) a+(a0) a+(a1) a-(v1) a-(v0) a-(a2)
+1/2 a^{v0,v1}_{c1,a1} b^{v3}_{v2} c^{c1,a2}_{c0,a0} gamma1^{a1}_{a2} a+(c0) a+(a0) a+(v2) a-(v3) a-(v1) a-(v0)
+a^{v0,v2}_{c1,a1} b^{v1}_{v2} c^{c1,a2}_{c0,a0} gamma1^{a1}_{a2} a+(c0) a+(a0) a-(v1) a-(v0)