-1/4 a^{a0,a1}_{v0,v1} b^{c0,c1}_{a2,a3} c^{a4}_{c2} eta1^{a2}_{a1} gamma1^{a3}_{a4} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)
+1/8 a^{a0,a1}_{v0,v1} b^{c0,c1}_{a2,a3} c^{a4}_{c2} lambda2^{a2,a3}_{a1,a4} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)
+1/8 a^{a1,a2}_{v0,v1} b^{c0,c1}_{a3,a4} c^{a0}_{c2} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)
+1/16 a^{a1,a2}_{v0,v1} b^{c0,c1}_{a3,a4} c^{a0}_{c2} lambda2^{a3,a4}_{a1,a2} a+(c2) a+(v0) a+(v1) a-(a0) a-(c1) a-(c0)