1/4 a^{c1}_{c0} b^{a1,a2}_{a0,v0} c^{c2,c3}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c0) a+(a0) a+(v0) a-(c3) a-(c2) a-(c1)
+1/8 a^{c1}_{c0} b^{a1,a2}_{a0,v0} c^{c2,c3}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c0) a+(a0) a+(v0) a-(c3) a-(c2) a-(c1)
-1/4 a^{c1}_{c0} b^{a2,a3}_{a1,v0} c^{c2,c3}_{a0,a4} lambda2^{a1,a4}_{a2,a3} a+(c0) a+(a0) a+(v0) a-(c3) a-(c2) a-(c1)
+1/2 a^{c0}_{c2} b^{a1,a2}_{a0,v0} c^{c1,c2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v0) a-(c1) a-(c0)
+1/4 a^{c0}_{c2} b^{a1,a2}_{a0,v0} c^{c1,c2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v0) a-(c1) a-(c0)
+a^{c0}_{c2} b^{a1,a3}_{a0,v0} c^{c1,c2}_{a2,a4} eta1^{a4}_{a3} a+(a0) a+(a2) a+(v0) a-(a1) a-(c1) a-(c0)
-1/2 a^{c0}_{c2} b^{a2,a3}_{a1,v0} c^{c1,c2}_{a0,a4} lambda2^{a1,a4}_{a2,a3} a+(a0) a+(v0) a-(c1) a-(c0)