-1/4 a^{a0}_{v0} b^{a2,a3}_{c0,a1} c^{c2,c3}_{c1,a4} lambda2^{a1,a4}_{a2,a3} a+(c0) a+(c1) a+(v0) a-(a0) a-(c3) a-(c2)
+a^{a0}_{v0} b^{a2,a3}_{c2,a1} c^{c1,c2}_{c0,a4} eta1^{a4}_{a3} a+(c0) a+(a1) a+(v0) a-(a2) a-(a0) a-(c1)
+1/2 a^{a0}_{v0} b^{a2,a3}_{c2,a1} c^{c1,c2}_{c0,a4} lambda2^{a1,a4}_{a2,a3} a+(c0) a+(v0) a-(a0) a-(c1)
+1/2 a^{a1}_{v0} b^{a0,a3}_{c0,a2} c^{c2,c3}_{c1,a4} eta1^{a4}_{a3} eta1^{a2}_{a1} a+(c0) a+(c1) a+(v0) a-(a0) a-(c3) a-(c2)
+1/2 a^{a1}_{v0} b^{a0,a3}_{c0,a2} c^{c2,c3}_{c1,a4} lambda2^{a2,a4}_{a1,a3} a+(c0) a+(c1) a+(v0) a-(a0) a-(c3) a-(c2)
-a^{a1}_{v0} b^{a0,a3}_{c2,a2} c^{c1,c2}_{c0,a4} eta1^{a4}_{a3} eta1^{a2}_{a1} a+(c0) a+(v0) a-(a0) a-(c1)
-a^{a1}_{v0} b^{a0,a3}_{c2,a2} c^{c1,c2}_{c0,a4} lambda2^{a2,a4}_{a1,a3} a+(c0) a+(v0) a-(a0) a-(c1)
+1/2 a^{a3}_{v0} b^{a1,a2}_{c2,a0} c^{c1,c2}_{c0,a4} eta1^{a4}_{a3} a+(c0) a+(a0) a+(v0) a-(a2) a-(a1) a-(c1)
-1/2 a^{a3}_{v0} b^{a0,a1}_{c2,a4} c^{c1,c2}_{c0,a2} eta1^{a4}_{a3} a+(c0) a+(a2) a+(v0) a-(a1) a-(a0) a-(c1)