1/2 a^{c2,v0}_{c0,c1} b^{a1,a2}_{c3,a0} c^{c3}_{a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(v0) a-(a1) a-(c2)
+1/4 a^{c2,v0}_{c0,c1} b^{a1,a2}_{c3,a0} c^{c3}_{a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c1) a-(v0) a-(c2)
-1/4 a^{c2,v0}_{c0,c1} b^{a1,a2}_{c3,a0} c^{c4}_{a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c1) a+(c3) a-(v0) a-(c4) a-(c2)
-a^{c1,v0}_{c0,c3} b^{a1,a2}_{c2,a0} c^{c3}_{a3} eta1^{a3}_{a2} a+(c0) a+(c2) a+(a0) a-(v0) a-(a1) a-(c1)
-1/2 a^{c1,v0}_{c0,c3} b^{a1,a2}_{c2,a0} c^{c3}_{a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c2) a-(v0) a-(c1)