1/2 a^{a1,a2}_{c0,a0} b^{v0}_{a3} c^{c2,c3}_{c1,v0} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(a1) a-(c3) a-(c2)
-1/4 a^{a1,a2}_{c0,a0} b^{v0}_{a3} c^{c2,c3}_{c1,v0} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c1) a-(c3) a-(c2)
+1/4 a^{a1,a2}_{c0,a0} b^{v0}_{a3} c^{c2,c3}_{c1,v1} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c1) a+(v1) a-(v0) a-(c3) a-(c2)
+1/2 a^{a1,a2}_{c2,a0} b^{v0}_{a3} c^{c1,c2}_{c0,v0} a+(c0) a+(a0) a+(a3) a-(a2) a-(a1) a-(c1)
-a^{a1,a2}_{c2,a0} b^{v0}_{a3} c^{c1,c2}_{c0,v0} eta1^{a3}_{a2} a+(c0) a+(a0) a-(a1) a-(c1)
+1/2 a^{a1,a2}_{c2,a0} b^{v0}_{a3} c^{c1,c2}_{c0,v0} lambda2^{a0,a3}_{a1,a2} a+(c0) a-(c1)
+a^{a1,a2}_{c2,a0} b^{v0}_{a3} c^{c1,c2}_{c0,v1} eta1^{a3}_{a2} a+(c0) a+(a0) a+(v1) a-(v0) a-(a1) a-(c1)
-1/2 a^{a1,a2}_{c2,a0} b^{v0}_{a3} c^{c1,c2}_{c0,v1} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(v1) a-(v0) a-(c1)