-1/4 a^{c1,c2}_{c0,a0} b^{c3}_{c4} c^{c4,a1}_{v0,v1} gamma1^{a0}_{a1} a+(c0) a+(v0) a+(v1) a-(c3) a-(c2) a-(c1)
-1/4 a^{c0,c1}_{c2,a0} b^{c2}_{c3} c^{c3,a1}_{v0,v1} a+(a0) a+(v0) a+(v1) a-(a1) a-(c1) a-(c0)
-1/4 a^{c0,c1}_{c2,a0} b^{c2}_{c3} c^{c3,a1}_{v0,v1} gamma1^{a0}_{a1} a+(v0) a+(v1) a-(c1) a-(c0)
+1/4 a^{c0,c1}_{c4,a0} b^{c3}_{c2} c^{c4,a1}_{v0,v1} gamma1^{a0}_{a1} a+(c2) a+(v0) a+(v1) a-(c3) a-(c1) a-(c0)
-1/4 a^{c0,c1}_{c4,a0} b^{c4}_{c2} c^{c3,a1}_{v0,v1} gamma1^{a0}_{a1} a+(c2) a+(v0) a+(v1) a-(c3) a-(c1) a-(c0)