-a^{c1,a0}_{c0,a1} b^{c2,a2}_{} gamma1^{a1}_{a2} a+(c0) a-(a0) a-(c2) a-(c1)
+a^{c0,a1}_{c1,a0} b^{c1,a2}_{} a+(a0) a-(a2) a-(a1) a-(c0)
+a^{c0,a0}_{c1,a1} b^{c1,a2}_{} gamma1^{a1}_{a2} a-(a0) a-(c0)