-1/4 a^{c0,c1}_{a0} b^{a2,a3}_{c2,a1} lambda2^{a0,a1}_{a2,a3} a+(c2) a-(c1) a-(c0)
+1/2 a^{c0,c1}_{a2} b^{a1,a3}_{c2,a0} gamma1^{a2}_{a3} a+(c2) a+(a0) a-(a1) a-(c1) a-(c0)