-1/4 a^{c1,v1}_{c0,v0} b^{a1,a2}_{c2,a0} c^{c4,c5}_{c3,a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c2) a+(c3) a+(v0) a-(v1) a-(c5) a-(c4) a-(c1)
-a^{c1,v1}_{c0,v0} b^{a1,a2}_{c4,a0} c^{c3,c4}_{c2,a3} eta1^{a3}_{a2} a+(c0) a+(c2) a+(a0) a+(v0) a-(v1) a-(a1) a-(c3) a-(c1)
+1/2 a^{c1,v1}_{c0,v0} b^{a1,a2}_{c4,a0} c^{c3,c4}_{c2,a3} lambda2^{a0,a3}_{a1,a2} a+(c0) a+(c2) a+(v0) a-(v1) a-(c3) a-(c1)
-1/2 a^{c0,v1}_{c2,v0} b^{a1,a2}_{c3,a0} c^{c2,c3}_{c1,a3} a+(c1) a+(a0) a+(a3) a+(v0) a-(v1) a-(a2) a-(a1) a-(c0)
+a^{c0,v1}_{c2,v0} b^{a1,a2}_{c3,a0} c^{c2,c3}_{c1,a3} eta1^{a3}_{a2} a+(c1) a+(a0) a+(v0) a-(v1) a-(a1) a-(c0)
-1/2 a^{c0,v1}_{c2,v0} b^{a1,a2}_{c3,a0} c^{c2,c3}_{c1,a3} lambda2^{a0,a3}_{a1,a2} a+(c1) a+(v0) a-(v1) a-(c0)
+a^{c0,v1}_{c4,v0} b^{a1,a2}_{c1,a0} c^{c3,c4}_{c2,a3} eta1^{a3}_{a2} a+(c1) a+(c2) a+(a0) a+(v0) a-(v1) a-(a1) a-(c3) a-(c0)
-1/2 a^{c0,v1}_{c4,v0} b^{a1,a2}_{c1,a0} c^{c3,c4}_{c2,a3} lambda2^{a0,a3}_{a1,a2} a+(c1) a+(c2) a+(v0) a-(v1) a-(c3) a-(c0)