1/6 a^{c1}_{c0,a0,a4} b^{a1,a2,a3,a5}_{} gamma1^{a4}_{a5} a+(c0) a+(a0) a-(a3) a-(a2) a-(a1) a-(c1)
+1/4 a^{c1}_{c0,a2,a3} b^{a0,a1,a4,a5}_{} gamma1^{a3}_{a5} gamma1^{a2}_{a4} a+(c0) a-(a1) a-(a0) a-(c1)
+1/8 a^{c1}_{c0,a2,a3} b^{a0,a1,a4,a5}_{} lambda2^{a2,a3}_{a4,a5} a+(c0) a-(a1) a-(a0) a-(c1)