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