-1/4 a^{c0}_{a0} b^{a3,v0}_{a1,a2} c^{a4,v1}_{c1,c2} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(c2) a+(a0) a-(v1) a-(v0) a-(c0)
+1/2 a^{c0}_{a1} b^{a3,v0}_{a0,a2} c^{a4,v1}_{c1,c2} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c1) a+(c2) a+(a0) a-(v1) a-(v0) a-(c0)
+1/2 a^{c0}_{a1} b^{a3,v0}_{a0,a2} c^{a4,v1}_{c1,c2} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(c2) a+(a0) a-(v1) a-(v0) a-(c0)