-1/4 a^{c1,v1}_{c0,v0} b^{c2,a2}_{a0,a1} c^{a3,v2}_{c3,c4} lambda2^{a0,a1}_{a2,a3} a+(c0) a+(c3) a+(c4) a+(v0) a-(v2) a-(v1) a-(c2) a-(c1)
+1/4 a^{c0,v1}_{c3,v0} b^{c3,a2}_{a0,a1} c^{a3,v2}_{c1,c2} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a+(v0) a-(v2) a-(v1) a-(c0)
-1/2 a^{c0,v1}_{c3,v0} b^{c3,a1}_{a0,a2} c^{a3,v2}_{c1,c2} gamma1^{a2}_{a3} a+(c1) a+(c2) a+(a0) a+(v0) a-(v2) a-(v1) a-(a1) a-(c0)