-1/4 a^{a0,a1}_{a2,v0} b^{c1}_{c0} c^{a4,a5}_{c2,a3} lambda2^{a2,a3}_{a4,a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
+a^{a0,a3}_{a2,v0} b^{c1}_{c0} c^{a1,a5}_{c2,a4} eta1^{a4}_{a3} gamma1^{a2}_{a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
+a^{a0,a3}_{a2,v0} b^{c1}_{c0} c^{a1,a5}_{c2,a4} lambda2^{a2,a4}_{a3,a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
-1/4 a^{a3,a4}_{a2,v0} b^{c1}_{c0} c^{a0,a1}_{c2,a5} lambda2^{a2,a5}_{a3,a4} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)