-1/2 a^{v1,v2}_{c0,v0} b^{c2,a1}_{c1,a0} c^{a3}_{a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c1) a+(v0) a-(v2) a-(v1) a-(c2)
-1/2 a^{v1,v2}_{c0,v0} b^{c2,a1}_{c1,a0} c^{a3}_{a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c1) a+(v0) a-(v2) a-(v1) a-(c2)
-1/2 a^{v1,v2}_{c1,v0} b^{c1,a1}_{c0,a0} c^{a3}_{a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(v0) a-(v2) a-(v1)
-1/2 a^{v1,v2}_{c1,v0} b^{c1,a1}_{c0,a0} c^{a3}_{a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(v0) a-(v2) a-(v1)
+1/2 a^{v1,v2}_{c1,v0} b^{c1,a2}_{c0,a0} c^{a1}_{a3} eta1^{a3}_{a2} a+(c0) a+(a0) a+(v0) a-(v2) a-(v1) a-(a1)
-1/2 a^{v1,v2}_{c1,v0} b^{c1,a0}_{c0,a2} c^{a3}_{a1} gamma1^{a2}_{a3} a+(c0) a+(a1) a+(v0) a-(v2) a-(v1) a-(a0)