-1/2 a^{c0,a2}_{a0,a1} b^{v0}_{c1} c^{a3,v2}_{c2,v1} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a+(v1) a-(v2) a-(v0) a-(c0)
-1/2 a^{c0,a2}_{a0,a1} b^{v1}_{c1} c^{a3,v0}_{c2,v1} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a-(v0) a-(c0)
+a^{c0,a1}_{a0,a2} b^{v1}_{c1} c^{a3,v0}_{c2,v1} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(a0) a-(v0) a-(a1) a-(c0)