-1/4 a^{v0}_{c0} b^{a0,a3}_{a1,a2} c^{a4,v3}_{v1,v2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v1) a+(v2) a-(v3) a-(v0) a-(a0)
-1/2 a^{v2}_{c0} b^{a1,a2}_{a0,a3} c^{a4,v1}_{v0,v2} gamma1^{a3}_{a4} a+(c0) a+(a0) a+(v0) a-(v1) a-(a2) a-(a1)
-1/2 a^{v2}_{c0} b^{a0,a3}_{a1,a2} c^{a4,v1}_{v0,v2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v0) a-(v1) a-(a0)