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