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