-1/2 a^{c1,a0}_{c0,a1} b^{c4,v0}_{c2,c3} c^{a2}_{v0} gamma1^{a1}_{a2} a+(c0) a+(c2) a+(c3) a-(a0) a-(c4) a-(c1)
+1/2 a^{c0,a1}_{c3,a0} b^{c3,v0}_{c1,c2} c^{a2}_{v0} a+(c1) a+(c2) a+(a0) a-(a2) a-(a1) a-(c0)
+1/2 a^{c0,a0}_{c3,a1} b^{c3,v0}_{c1,c2} c^{a2}_{v0} gamma1^{a1}_{a2} a+(c1) a+(c2) a-(a0) a-(c0)
-1/2 a^{c0,a0}_{c3,a1} b^{c3,v0}_{c1,c2} c^{a2}_{v1} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(v1) a-(v0) a-(a0) a-(c0)