1/16 a^{a1,a2}_{c0,a0} b^{a3,a4}_{c3,c4} c^{c3,c4}_{c1,c2} a+(c0) a+(c1) a+(c2) a+(a0) a-(a4) a-(a3) a-(a2) a-(a1)
-1/4 a^{a0,a1}_{c0,a3} b^{a2,a4}_{c1,c5} c^{c4,c5}_{c2,c3} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(c2) a+(c3) a-(a2) a-(a1) a-(a0) a-(c4)
+1/8 a^{a0,a1}_{c0,a3} b^{a2,a4}_{c3,c4} c^{c3,c4}_{c1,c2} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(c2) a-(a2) a-(a1) a-(a0)
-1/8 a^{a1,a2}_{c3,a0} b^{a3,a4}_{c0,c4} c^{c3,c4}_{c1,c2} a+(c0) a+(c1) a+(c2) a+(a0) a-(a4) a-(a3) a-(a2) a-(a1)
-1/4 a^{a0,a1}_{c3,a3} b^{a2,a4}_{c0,c4} c^{c3,c4}_{c1,c2} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(c2) a-(a2) a-(a1) a-(a0)
-1/8 a^{a0,a1}_{c5,a3} b^{a2,a4}_{c0,c1} c^{c4,c5}_{c2,c3} gamma1^{a3}_{a4} a+(c0) a+(c1) a+(c2) a+(c3) a-(a2) a-(a1) a-(a0) a-(c4)