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