-1/48 a^{c0}_{a0} b^{}_{c1,c2,c3,c4} c^{a2,a3}_{a1} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a+(c3) a+(c4) a-(c0)
+1/24 a^{c0}_{a2} b^{}_{c1,c2,c3,c4} c^{a1,a3}_{a0} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(c3) a+(c4) a+(a0) a-(a1) a-(c0)