-1/48 a^{a1,a2}_{a0,a3} b^{}_{c0,c1,c2,c3} c^{a4}_{c4,v0} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(c2) a+(c3) a+(c4) a+(a0) a+(v0) a-(a2) a-(a1)
+1/48 a^{a0,a3}_{a1,a2} b^{}_{c0,c1,c2,c3} c^{a4}_{c4,v0} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(c2) a+(c3) a+(c4) a+(v0) a-(a0)