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