1/4 a^{c1,a0}_{c0,a1} b^{c3,c4}_{c2,c7} c^{c7,a2}_{c5,c6} gamma1^{a1}_{a2} a+(c0) a+(c2) a+(c5) a+(c6) a-(a0) a-(c4) a-(c3) a-(c1)
+1/2 a^{c0,a1}_{c5,a0} b^{c2,c5}_{c1,c6} c^{c6,a2}_{c3,c4} a+(c1) a+(c3) a+(c4) a+(a0) a-(a2) a-(a1) a-(c2) a-(c0)
+1/2 a^{c0,a0}_{c5,a1} b^{c2,c5}_{c1,c6} c^{c6,a2}_{c3,c4} gamma1^{a1}_{a2} a+(c1) a+(c3) a+(c4) a-(a0) a-(c2) a-(c0)
+1/8 a^{c0,a0}_{c7,a1} b^{c3,c4}_{c1,c2} c^{c7,a2}_{c5,c6} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(c5) a+(c6) a-(a0) a-(c4) a-(c3) a-(c0)
-1/4 a^{c0,a0}_{c7,a1} b^{c3,c7}_{c1,c2} c^{c6,a2}_{c4,c5} gamma1^{a1}_{a2} a+(c1) a+(c2) a+(c4) a+(c5) a-(a0) a-(c6) a-(c3) a-(c0)