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