-1/2 a^{a1,a2}_{a0,a3} b^{v1}_{v0} c^{c1,a4}_{c0,v1} gamma1^{a3}_{a4} a+(c0) a+(a0) a+(v0) a-(a2) a-(a1) a-(c1)
+1/2 a^{a0,a3}_{a1,a2} b^{v1}_{v0} c^{c1,a4}_{c0,v1} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v0) a-(a0) a-(c1)
-1/2 a^{a0,a3}_{a1,a2} b^{v1}_{v0} c^{c1,a4}_{c0,v2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v0) a+(v2) a-(v1) a-(a0) a-(c1)