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