-1/8 a^{a0,a1}_{c0,c1} b^{a2,a4}_{c2,v0} c^{a3,a7}_{a5,a6} lambda2^{a5,a6}_{a4,a7} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
+1/16 a^{a0,a1}_{c0,c1} b^{a4,a5}_{c2,v0} c^{a2,a3}_{a6,a7} eta1^{a7}_{a5} eta1^{a6}_{a4} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
+1/32 a^{a0,a1}_{c0,c1} b^{a4,a5}_{c2,v0} c^{a2,a3}_{a6,a7} lambda2^{a6,a7}_{a4,a5} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
-1/8 a^{a0,a4}_{c0,c1} b^{a1,a2}_{c2,v0} c^{a3,a7}_{a5,a6} lambda2^{a5,a6}_{a4,a7} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
-1/4 a^{a0,a4}_{c0,c1} b^{a1,a5}_{c2,v0} c^{a2,a3}_{a6,a7} eta1^{a7}_{a5} eta1^{a6}_{a4} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
-1/8 a^{a0,a4}_{c0,c1} b^{a1,a5}_{c2,v0} c^{a2,a3}_{a6,a7} lambda2^{a6,a7}_{a4,a5} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
+1/16 a^{a4,a5}_{c0,c1} b^{a0,a1}_{c2,v0} c^{a2,a3}_{a6,a7} eta1^{a7}_{a5} eta1^{a6}_{a4} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)
+1/32 a^{a4,a5}_{c0,c1} b^{a0,a1}_{c2,v0} c^{a2,a3}_{a6,a7} lambda2^{a6,a7}_{a4,a5} a+(c0) a+(c1) a+(c2) a+(v0) a-(a3) a-(a2) a-(a1) a-(a0)