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