-1/2 a^{v0,v1}_{c0,a0} b^{c1,c2}_{a1,v1} c^{a2}_{c3} gamma1^{a1}_{a2} a+(c0) a+(c3) a+(a0) a-(v0) a-(c2) a-(c1)
+1/2 a^{v0,v1}_{c0,a1} b^{c1,c2}_{a0,v1} c^{a2}_{c3} gamma1^{a1}_{a2} a+(c0) a+(c3) a+(a0) a-(v0) a-(c2) a-(c1)
-a^{v0,v1}_{c2,a0} b^{c0,c2}_{a1,v1} c^{a2}_{c1} a+(c1) a+(a0) a+(a1) a-(v0) a-(a2) a-(c0)
+a^{v0,v1}_{c2,a0} b^{c0,c2}_{a1,v1} c^{a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a-(v0) a-(c0)
-1/2 a^{v0,v1}_{c2,a0} b^{c0,c2}_{a1,v2} c^{a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a+(v2) a-(v1) a-(v0) a-(c0)
-a^{v0,v1}_{c2,a1} b^{c0,c2}_{a0,v1} c^{a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a-(v0) a-(c0)
+1/2 a^{v0,v1}_{c2,a1} b^{c0,c2}_{a0,v2} c^{a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a+(v2) a-(v1) a-(v0) a-(c0)