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