1/2 a^{c0}_{a0} b^{a3,v0}_{a1,a2} c^{a4}_{c1} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(a0) a-(v0) a-(c0)
-a^{c0}_{a1} b^{a3,v0}_{a0,a2} c^{a4}_{c1} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c1) a+(a0) a-(v0) a-(c0)
-a^{c0}_{a1} b^{a3,v0}_{a0,a2} c^{a4}_{c1} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(a0) a-(v0) a-(c0)