1/2 a^{a0,a2}_{a1,v0} b^{c1,c2}_{c0,a3} c^{a4}_{c3} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a+(c3) a+(v0) a-(a0) a-(c2) a-(c1)
+1/2 a^{a0,a2}_{a1,v0} b^{c1,c2}_{c0,a3} c^{a4}_{c3} lambda2^{a1,a3}_{a2,a4} a+(c0) a+(c3) a+(v0) a-(a0) a-(c2) a-(c1)
+1/4 a^{a2,a3}_{a1,v0} b^{c1,c2}_{c0,a4} c^{a0}_{c3} lambda2^{a1,a4}_{a2,a3} a+(c0) a+(c3) a+(v0) a-(a0) a-(c2) a-(c1)