1/72 a^{a1,a2}_{a0} b^{}_{c0,c1,c2,c3} c^{c3,a3,a4,a5}_{} a+(c0) a+(c1) a+(c2) a+(a0) a-(a5) a-(a4) a-(a3) a-(a2) a-(a1)
+1/24 a^{a0,a1}_{a4} b^{}_{c0,c1,c2,c3} c^{c3,a2,a3,a5}_{} gamma1^{a4}_{a5} a+(c0) a+(c1) a+(c2) a-(a3) a-(a2) a-(a1) a-(a0)
+1/96 a^{a0,a1}_{a4} b^{}_{c0,c1,c2,c3} c^{c4,a2,a3,a5}_{} gamma1^{a4}_{a5} a+(c0) a+(c1) a+(c2) a+(c3) a-(a3) a-(a2) a-(a1) a-(a0) a-(c4)