1/4 a^{c1,c2}_{c0,a1} b^{a0,a3,a4}_{a2} lambda2^{a1,a2}_{a3,a4} a+(c0) a-(a0) a-(c2) a-(c1)
-1/4 a^{c1,c2}_{c0,a3} b^{a1,a2,a4}_{a0} gamma1^{a3}_{a4} a+(c0) a+(a0) a-(a2) a-(a1) a-(c2) a-(c1)