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