1/8 a^{c2,c3}_{c0,c1} b^{c4,a2}_{a0,a1} c^{a3}_{c5} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c1) a+(c5) a-(c4) a-(c3) a-(c2)
-1/4 a^{c1,c2}_{c0,c4} b^{c4,a2}_{a0,a1} c^{a3}_{c3} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c3) a-(c2) a-(c1)
-1/2 a^{c1,c2}_{c0,c4} b^{c4,a1}_{a0,a2} c^{a3}_{c3} gamma1^{a2}_{a3} a+(c0) a+(c3) a+(a0) a-(a1) a-(c2) a-(c1)