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