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