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