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