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