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