-1/4 a^{c1}_{c0} b^{c3,c4}_{c2,a1} c^{a3,a4}_{a0,a2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c2) a+(a0) a-(c4) a-(c3) a-(c1)
-1/2 a^{c0}_{c3} b^{c2,c3}_{c1,a1} c^{a3,a4}_{a0,a2} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(a0) a-(c2) a-(c0)
+1/2 a^{c0}_{c3} b^{c2,c3}_{c1,a3} c^{a2,a4}_{a0,a1} gamma1^{a3}_{a4} a+(c1) a+(a0) a+(a1) a-(a2) a-(c2) a-(c0)