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