-a^{v0}_{a0} b^{c1,a2}_{c0,c3} c^{c2,c3}_{a1,a3} eta1^{a3}_{a2} a+(c0) a+(a0) a+(a1) a-(v0) a-(c2) a-(c1)
+1/4 a^{v0}_{a0} b^{c0,a1}_{c1,c2} c^{c1,c2}_{a2,a3} a+(a0) a+(a2) a+(a3) a-(v0) a-(a1) a-(c0)
+1/2 a^{v0}_{a0} b^{c0,a2}_{c1,c2} c^{c1,c2}_{a1,a3} eta1^{a3}_{a2} a+(a0) a+(a1) a-(v0) a-(c0)
+1/2 a^{v0}_{a2} b^{c1,a3}_{c0,c3} c^{c2,c3}_{a0,a1} gamma1^{a2}_{a3} a+(c0) a+(a0) a+(a1) a-(v0) a-(c2) a-(c1)
-1/4 a^{v0}_{a2} b^{c0,a3}_{c1,c2} c^{c1,c2}_{a0,a1} gamma1^{a2}_{a3} a+(a0) a+(a1) a-(v0) a-(c0)