1/2 a^{c0,v1}_{a1,v0} b^{a0,a2}_{c1,c2} c^{a4}_{a3} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c1) a+(c2) a+(v0) a-(v1) a-(a0) a-(c0)
+1/2 a^{c0,v1}_{a1,v0} b^{a0,a2}_{c1,c2} c^{a4}_{a3} lambda2^{a1,a3}_{a2,a4} a+(c1) a+(c2) a+(v0) a-(v1) a-(a0) a-(c0)
-1/2 a^{c0,v1}_{a1,v0} b^{a2,a3}_{c1,c2} c^{a0}_{a4} eta1^{a4}_{a3} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(v0) a-(v1) a-(a0) a-(c0)
+1/4 a^{c0,v1}_{a1,v0} b^{a2,a3}_{c1,c2} c^{a0}_{a4} lambda2^{a1,a4}_{a2,a3} a+(c1) a+(c2) a+(v0) a-(v1) a-(a0) a-(c0)