-1/2 a^{c1,a3}_{c0,a0} b^{c2,c3}_{c5,a1} c^{c4,c5}_{a2,a4} eta1^{a4}_{a3} a+(c0) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c1)
-1/4 a^{c1,a3}_{c0,a0} b^{c2,c3}_{c5,a4} c^{c4,c5}_{a1,a2} eta1^{a4}_{a3} a+(c0) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c1)
-1/4 a^{c0,a1}_{c3,a0} b^{c1,c2}_{c4,a2} c^{c3,c4}_{a3,a4} a+(a0) a+(a2) a+(a3) a+(a4) a-(a1) a-(c2) a-(c1) a-(c0)
+1/2 a^{c0,a1}_{c3,a0} b^{c1,c3}_{c4,a2} c^{c2,c4}_{a3,a4} a+(a0) a+(a2) a+(a3) a+(a4) a-(a1) a-(c2) a-(c1) a-(c0)
+1/2 a^{c0,a3}_{c3,a0} b^{c1,c2}_{c4,a1} c^{c3,c4}_{a2,a4} eta1^{a4}_{a3} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)
-a^{c0,a3}_{c3,a0} b^{c1,c3}_{c4,a1} c^{c2,c4}_{a2,a4} eta1^{a4}_{a3} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)
+1/4 a^{c0,a3}_{c3,a0} b^{c1,c2}_{c4,a4} c^{c3,c4}_{a1,a2} eta1^{a4}_{a3} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)
-1/2 a^{c0,a3}_{c3,a0} b^{c1,c3}_{c4,a4} c^{c2,c4}_{a1,a2} eta1^{a4}_{a3} a+(a0) a+(a1) a+(a2) a-(c2) a-(c1) a-(c0)
+1/2 a^{c0,a3}_{c5,a0} b^{c2,c3}_{c1,a1} c^{c4,c5}_{a2,a4} eta1^{a4}_{a3} a+(c1) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c0)
+1/2 a^{c0,a3}_{c5,a0} b^{c2,c5}_{c1,a1} c^{c3,c4}_{a2,a4} eta1^{a4}_{a3} a+(c1) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c0)
+1/4 a^{c0,a3}_{c5,a0} b^{c2,c3}_{c1,a4} c^{c4,c5}_{a1,a2} eta1^{a4}_{a3} a+(c1) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c0)
+1/4 a^{c0,a3}_{c5,a0} b^{c2,c5}_{c1,a4} c^{c3,c4}_{a1,a2} eta1^{a4}_{a3} a+(c1) a+(a0) a+(a1) a+(a2) a-(c4) a-(c3) a-(c2) a-(c0)