-1/4 a^{c0,a0}_{v0,v1} b^{a1,a2}_{c1,c2} c^{c2,v2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c1) a+(v0) a+(v1) a-(v2) a-(a0) a-(c0)
-1/8 a^{c0,a0}_{v0,v1} b^{a1,a2}_{c1,c2} c^{c2,v2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c1) a+(v0) a+(v1) a-(v2) a-(a0) a-(c0)
-1/8 a^{c0,a0}_{v0,v1} b^{a1,a2}_{c1,c2} c^{c3,v2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c1) a+(c2) a+(v0) a+(v1) a-(v2) a-(a0) a-(c3) a-(c0)
-1/16 a^{c0,a0}_{v0,v1} b^{a1,a2}_{c1,c2} c^{c3,v2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c1) a+(c2) a+(v0) a+(v1) a-(v2) a-(a0) a-(c3) a-(c0)
-1/2 a^{c0,a0}_{v0,v1} b^{a1,a3}_{c1,c2} c^{c2,v2}_{a2,a4} eta1^{a4}_{a3} a+(c1) a+(a2) a+(v0) a+(v1) a-(v2) a-(a1) a-(a0) a-(c0)
+1/2 a^{c0,a1}_{v0,v1} b^{a0,a2}_{c1,c2} c^{c2,v2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c1) a+(v0) a+(v1) a-(v2) a-(a0) a-(c0)
+1/4 a^{c0,a1}_{v0,v1} b^{a0,a2}_{c1,c2} c^{c2,v2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c1) a+(v0) a+(v1) a-(v2) a-(a0) a-(c0)
+1/4 a^{c0,a1}_{v0,v1} b^{a0,a2}_{c1,c2} c^{c3,v2}_{a3,a4} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(c1) a+(c2) a+(v0) a+(v1) a-(v2) a-(a0) a-(c3) a-(c0)
+1/8 a^{c0,a1}_{v0,v1} b^{a0,a2}_{c1,c2} c^{c3,v2}_{a3,a4} lambda2^{a3,a4}_{a1,a2} a+(c1) a+(c2) a+(v0) a+(v1) a-(v2) a-(a0) a-(c3) a-(c0)
-1/4 a^{c0,a3}_{v0,v1} b^{a0,a1}_{c1,c2} c^{c2,v2}_{a2,a4} eta1^{a4}_{a3} a+(c1) a+(a2) a+(v0) a+(v1) a-(v2) a-(a1) a-(a0) a-(c0)