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