-1/4 a^{c0,a2}_{a0,a1} b^{c3,a3}_{c1,c2} c^{c5}_{c4} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a+(c4) a-(c5) a-(c3) a-(c0)
+1/2 a^{c0,a2}_{a0,a1} b^{c2,a3}_{c1,c4} c^{c4}_{c3} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c3) a-(c2) a-(c0)
+a^{c0,a1}_{a0,a2} b^{c2,a3}_{c1,c4} c^{c4}_{c3} gamma1^{a2}_{a3} a+(c1) a+(c3) a+(a0) a-(a1) a-(c2) a-(c0)