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