-1/4 a^{c0,a0}_{a1,v0} b^{c2,c3}_{c1,a2} c^{a3,a4}_{v1,v2} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c1) a+(v0) a+(v1) a+(v2) a-(a0) a-(c3) a-(c2) a-(c0)
-1/8 a^{c0,a0}_{a1,v0} b^{c2,c3}_{c1,a2} c^{a3,a4}_{v1,v2} lambda2^{a1,a2}_{a3,a4} a+(c1) a+(v0) a+(v1) a+(v2) a-(a0) a-(c3) a-(c2) a-(c0)
+1/4 a^{c0,a2}_{a1,v0} b^{c2,c3}_{c1,a3} c^{a0,a4}_{v1,v2} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c1) a+(v0) a+(v1) a+(v2) a-(a0) a-(c3) a-(c2) a-(c0)
+1/4 a^{c0,a2}_{a1,v0} b^{c2,c3}_{c1,a3} c^{a0,a4}_{v1,v2} lambda2^{a1,a3}_{a2,a4} a+(c1) a+(v0) a+(v1) a+(v2) a-(a0) a-(c3) a-(c2) a-(c0)