1/2 a^{a0}_{c0} b^{a1,a4}_{a2,a3} c^{a5}_{v0} lambda2^{a2,a3}_{a4,a5} a+(c0) a+(v0) a-(a1) a-(a0)
-1/2 a^{a2}_{c0} b^{a0,a1}_{a3,a4} c^{a5}_{v0} eta1^{a3}_{a2} gamma1^{a4}_{a5} a+(c0) a+(v0) a-(a1) a-(a0)
+1/4 a^{a2}_{c0} b^{a0,a1}_{a3,a4} c^{a5}_{v0} lambda2^{a3,a4}_{a2,a5} a+(c0) a+(v0) a-(a1) a-(a0)
-1/2 a^{a2}_{c0} b^{a0,a5}_{a3,a4} c^{a1}_{v0} lambda2^{a3,a4}_{a2,a5} a+(c0) a+(v0) a-(a1) a-(a0)