-a^{a1,v0}_{c0,a0} b^{c2}_{c1} c^{a3,v1}_{c3,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c1) a+(c3) a-(v1) a-(v0) a-(c2)
-a^{a1,v0}_{c0,a0} b^{c2}_{c1} c^{a3,v1}_{c3,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c1) a+(c3) a-(v1) a-(v0) a-(c2)
-a^{a1,v0}_{c2,a0} b^{c2}_{c0} c^{a3,v1}_{c1,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c1) a-(v1) a-(v0)
-a^{a1,v0}_{c2,a0} b^{c2}_{c0} c^{a3,v1}_{c1,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c1) a-(v1) a-(v0)
-a^{a2,v0}_{c2,a0} b^{c2}_{c0} c^{a1,v1}_{c1,a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(v1) a-(v0) a-(a1)
+a^{a0,v0}_{c2,a2} b^{c2}_{c0} c^{a3,v1}_{c1,a1} gamma1^{a2}_{a3} a+(c0) a+(c1) a+(a1) a-(v1) a-(v0) a-(a0)