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