-1/2 a^{a0}_{c0} b^{c1,c2}_{a1,v0} c^{a3,v1}_{c3,a2} eta1^{a2}_{a0} gamma1^{a1}_{a3} a+(c0) a+(c3) a+(v0) a-(v1) a-(c2) a-(c1)
-1/2 a^{a0}_{c0} b^{c1,c2}_{a1,v0} c^{a3,v1}_{c3,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c3) a+(v0) a-(v1) a-(c2) a-(c1)
+a^{a0}_{c2} b^{c0,c2}_{a1,v0} c^{a3,v1}_{c1,a2} eta1^{a2}_{a0} gamma1^{a1}_{a3} a+(c1) a+(v0) a-(v1) a-(c0)
+a^{a0}_{c2} b^{c0,c2}_{a1,v0} c^{a3,v1}_{c1,a2} lambda2^{a1,a2}_{a0,a3} a+(c1) a+(v0) a-(v1) a-(c0)
-a^{a0}_{c2} b^{c0,c2}_{a2,v0} c^{a3,v1}_{c1,a1} gamma1^{a2}_{a3} a+(c1) a+(a1) a+(v0) a-(v1) a-(a0) a-(c0)
+a^{a2}_{c2} b^{c0,c2}_{a0,v0} c^{a1,v1}_{c1,a3} eta1^{a3}_{a2} a+(c1) a+(a0) a+(v0) a-(v1) a-(a1) a-(c0)
-a^{a2}_{c2} b^{c0,c2}_{a3,v0} c^{a1,v1}_{c1,a0} eta1^{a3}_{a2} a+(c1) a+(a0) a+(v0) a-(v1) a-(a1) a-(c0)