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