1/8 a^{a0}_{v0} b^{c0,c1}_{a1,a2} c^{a3,a4}_{v1,v2} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(v0) a+(v1) a+(v2) a-(a0) a-(c1) a-(c0)
+1/16 a^{a0}_{v0} b^{c0,c1}_{a1,a2} c^{a3,a4}_{v1,v2} lambda2^{a1,a2}_{a3,a4} a+(v0) a+(v1) a+(v2) a-(a0) a-(c1) a-(c0)
+1/4 a^{a1}_{v0} b^{c0,c1}_{a2,a3} c^{a0,a4}_{v1,v2} eta1^{a2}_{a1} gamma1^{a3}_{a4} a+(v0) a+(v1) a+(v2) a-(a0) a-(c1) a-(c0)
-1/8 a^{a1}_{v0} b^{c0,c1}_{a2,a3} c^{a0,a4}_{v1,v2} lambda2^{a2,a3}_{a1,a4} a+(v0) a+(v1) a+(v2) a-(a0) a-(c1) a-(c0)