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