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