1/4 a^{v0,v1}_{c3,a0} b^{c0,a3}_{a1,a2} c^{c2,c3}_{c1,a4} eta1^{a4}_{a3} a+(c1) a+(a0) a+(a1) a+(a2) a-(v1) a-(v0) a-(c2) a-(c0)
+1/8 a^{v0,v1}_{c3,a0} b^{c3,a3}_{a1,a2} c^{c1,c2}_{c0,a4} eta1^{a4}_{a3} a+(c0) a+(a0) a+(a1) a+(a2) a-(v1) a-(v0) a-(c2) a-(c1)
+1/4 a^{v0,v1}_{c3,a3} b^{c0,a4}_{a0,a1} c^{c2,c3}_{c1,a2} gamma1^{a3}_{a4} a+(c1) a+(a0) a+(a1) a+(a2) a-(v1) a-(v0) a-(c2) a-(c0)
+1/8 a^{v0,v1}_{c3,a3} b^{c3,a4}_{a0,a1} c^{c1,c2}_{c0,a2} gamma1^{a3}_{a4} a+(c0) a+(a0) a+(a1) a+(a2) a-(v1) a-(v0) a-(c2) a-(c1)