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