1/2 a^{a1,v0}_{c0,a0} b^{c1,a4}_{a2,a3} c^{v1}_{c2} lambda2^{a2,a3}_{a1,a4} a+(c0) a+(c2) a+(a0) a-(v1) a-(v0) a-(c1)
-a^{a2,v0}_{c0,a1} b^{c1,a4}_{a0,a3} c^{v1}_{c2} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a+(c2) a+(a0) a-(v1) a-(v0) a-(c1)
-a^{a2,v0}_{c0,a1} b^{c1,a4}_{a0,a3} c^{v1}_{c2} lambda2^{a1,a3}_{a2,a4} a+(c0) a+(c2) a+(a0) a-(v1) a-(v0) a-(c1)
+1/2 a^{a1,v0}_{c1,a0} b^{c1,a4}_{a2,a3} c^{v1}_{c0} lambda2^{a2,a3}_{a1,a4} a+(c0) a+(a0) a-(v1) a-(v0)
+a^{a3,v0}_{c1,a0} b^{c1,a2}_{a1,a4} c^{v1}_{c0} eta1^{a4}_{a3} a+(c0) a+(a0) a+(a1) a-(v1) a-(v0) a-(a2)
-a^{a2,v0}_{c1,a1} b^{c1,a4}_{a0,a3} c^{v1}_{c0} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a+(a0) a-(v1) a-(v0)
-a^{a2,v0}_{c1,a1} b^{c1,a4}_{a0,a3} c^{v1}_{c0} lambda2^{a1,a3}_{a2,a4} a+(c0) a+(a0) a-(v1) a-(v0)
+1/2 a^{a0,v0}_{c1,a3} b^{c1,a4}_{a1,a2} c^{v1}_{c0} gamma1^{a3}_{a4} a+(c0) a+(a1) a+(a2) a-(v1) a-(v0) a-(a0)