-1/2 a^{c1,a0}_{c0,v0} b^{a1,a4}_{a2,a3} c^{a5}_{c2} lambda2^{a2,a3}_{a4,a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
+1/2 a^{c1,a2}_{c0,v0} b^{a0,a1}_{a3,a4} c^{a5}_{c2} eta1^{a3}_{a2} gamma1^{a4}_{a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
-1/4 a^{c1,a2}_{c0,v0} b^{a0,a1}_{a3,a4} c^{a5}_{c2} lambda2^{a3,a4}_{a2,a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)
+1/2 a^{c1,a2}_{c0,v0} b^{a0,a5}_{a3,a4} c^{a1}_{c2} lambda2^{a3,a4}_{a2,a5} a+(c0) a+(c2) a+(v0) a-(a1) a-(a0) a-(c1)