-1/4 a^{c1,v0}_{c0,a0} b^{v1,v2}_{c2,a1} c^{a3,a4}_{c3,a2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c2) a+(c3) a+(a0) a-(v2) a-(v1) a-(v0) a-(c1)
+1/4 a^{c1,v0}_{c0,a1} b^{v1,v2}_{c2,a0} c^{a3,a4}_{c3,a2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c2) a+(c3) a+(a0) a-(v2) a-(v1) a-(v0) a-(c1)
-1/2 a^{c1,v0}_{c0,a1} b^{v1,v2}_{c2,a2} c^{a3,a4}_{c3,a0} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c0) a+(c2) a+(c3) a+(a0) a-(v2) a-(v1) a-(v0) a-(c1)
-1/4 a^{c1,v0}_{c0,a1} b^{v1,v2}_{c2,a2} c^{a3,a4}_{c3,a0} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c2) a+(c3) a+(a0) a-(v2) a-(v1) a-(v0) a-(c1)