-1/4 a^{c2,v0}_{c0,c1} b^{a0}_{v0} c^{c3,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c1) a-(c3) a-(c2)
-1/2 a^{c2,v0}_{c0,c1} b^{a2}_{v0} c^{c3,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(c1) a+(a0) a-(a1) a-(c3) a-(c2)
+1/4 a^{c2,v0}_{c0,c1} b^{a0}_{v1} c^{c3,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(c1) a+(v1) a-(v0) a-(c3) a-(c2)
-1/2 a^{c1,v0}_{c0,c2} b^{a0}_{v0} c^{c2,a3}_{a1,a2} a+(c0) a+(a1) a+(a2) a-(a3) a-(a0) a-(c1)
-1/2 a^{c1,v0}_{c0,c2} b^{a0}_{v0} c^{c2,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a-(c1)
-a^{c1,v0}_{c0,c2} b^{a2}_{v0} c^{c2,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(a0) a-(a1) a-(c1)
+1/2 a^{c1,v0}_{c0,c2} b^{a0}_{v1} c^{c2,a3}_{a1,a2} lambda2^{a1,a2}_{a0,a3} a+(c0) a+(v1) a-(v0) a-(c1)
+a^{c1,v0}_{c0,c2} b^{a2}_{v1} c^{c2,a1}_{a0,a3} eta1^{a3}_{a2} a+(c0) a+(a0) a+(v1) a-(v0) a-(a1) a-(c1)