-1/4 a^{a1,a2}_{a0,a3} b^{a4,v1}_{c2,v0} c^{c2,v2}_{c0,c1} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(a0) a+(v0) a-(v2) a-(v1) a-(a2) a-(a1)
+1/4 a^{a0,a3}_{a1,a2} b^{a4,v1}_{c0,v0} c^{c3,v2}_{c1,c2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(c2) a+(v0) a-(v2) a-(v1) a-(a0) a-(c3)
+1/4 a^{a0,a3}_{a1,a2} b^{a4,v1}_{c2,v0} c^{c2,v2}_{c0,c1} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(v0) a-(v2) a-(v1) a-(a0)