1/4 a^{a0,v0}_{c0,c1} b^{c1}_{v0} c^{a3,a4}_{a1,a2} a+(c0) a+(a1) a+(a2) a-(a4) a-(a3) a-(a0)
-1/2 a^{a1,v0}_{c0,c1} b^{c1}_{v0} c^{a0,a4}_{a2,a3} lambda2^{a2,a3}_{a1,a4} a+(c0) a-(a0)
+1/4 a^{a1,v0}_{c0,c1} b^{c2}_{v0} c^{a0,a4}_{a2,a3} lambda2^{a2,a3}_{a1,a4} a+(c0) a+(c1) a-(a0) a-(c2)
+1/2 a^{a1,v0}_{c0,c1} b^{c1}_{v1} c^{a0,a4}_{a2,a3} lambda2^{a2,a3}_{a1,a4} a+(c0) a+(v1) a-(v0) a-(a0)
-1/4 a^{a1,v0}_{c0,c1} b^{c2}_{v1} c^{a0,a4}_{a2,a3} lambda2^{a2,a3}_{a1,a4} a+(c0) a+(c1) a+(v1) a-(v0) a-(a0) a-(c2)
-1/2 a^{a3,v0}_{c0,c1} b^{c1}_{v0} c^{a1,a2}_{a0,a4} eta1^{a4}_{a3} a+(c0) a+(a0) a-(a2) a-(a1)
+1/4 a^{a3,v0}_{c0,c1} b^{c2}_{v0} c^{a1,a2}_{a0,a4} eta1^{a4}_{a3} a+(c0) a+(c1) a+(a0) a-(a2) a-(a1) a-(c2)
+1/2 a^{a3,v0}_{c0,c1} b^{c1}_{v1} c^{a1,a2}_{a0,a4} eta1^{a4}_{a3} a+(c0) a+(a0) a+(v1) a-(v0) a-(a2) a-(a1)