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