-a^{a1}_{a0,a3} b^{c1,a2,a4}_{c0} gamma1^{a3}_{a4} a+(c0) a+(a0) a-(a2) a-(a1) a-(c1)
-1/2 a^{a0}_{a1,a2} b^{c1,a3,a4}_{c0} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c0) a-(a0) a-(c1)
-1/4 a^{a0}_{a1,a2} b^{c1,a3,a4}_{c0} lambda2^{a1,a2}_{a3,a4} a+(c0) a-(a0) a-(c1)
+1/2 a^{a3}_{a1,a2} b^{c1,a0,a4}_{c0} lambda2^{a1,a2}_{a3,a4} a+(c0) a-(a0) a-(c1)