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