1/4 a^{c2,c3}_{c0,c1} b^{v0}_{a1} c^{c4,a2}_{a0,v0} gamma1^{a1}_{a2} a+(c0) a+(c1) a+(a0) a-(c4) a-(c3) a-(c2)
+1/2 a^{c1,c2}_{c0,c3} b^{v0}_{a0} c^{c3,a2}_{a1,v0} a+(c0) a+(a0) a+(a1) a-(a2) a-(c2) a-(c1)
-1/2 a^{c1,c2}_{c0,c3} b^{v0}_{a1} c^{c3,a2}_{a0,v0} gamma1^{a1}_{a2} a+(c0) a+(a0) a-(c2) a-(c1)
+1/2 a^{c1,c2}_{c0,c3} b^{v0}_{a1} c^{c3,a2}_{a0,v1} gamma1^{a1}_{a2} a+(c0) a+(a0) a+(v1) a-(v0) a-(c2) a-(c1)