-1/4 a^{v0,v1}_{c3,a0} b^{c0}_{a1} c^{c3,a2}_{c1,c2} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(a0) a-(v1) a-(v0) a-(c0)
+1/4 a^{v0,v1}_{c3,a0} b^{c3}_{a1} c^{c2,a2}_{c0,c1} gamma1^{a1}_{a2} a+(c0) a+(c1) a+(a0) a-(v1) a-(v0) a-(c2)
+1/4 a^{v0,v1}_{c3,a1} b^{c0}_{a0} c^{c3,a2}_{c1,c2} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(a0) a-(v1) a-(v0) a-(c0)
-1/4 a^{v0,v1}_{c3,a1} b^{c3}_{a0} c^{c2,a2}_{c0,c1} gamma1^{a1}_{a2} a+(c0) a+(c1) a+(a0) a-(v1) a-(v0) a-(c2)