-a^{c1}_{c0,a0,a1} b^{c3,a2}_{c2} gamma1^{a1}_{a2} a+(c0) a+(c2) a+(a0) a-(c3) a-(c1)
-1/2 a^{c0}_{c2,a0,a1} b^{c2,a2}_{c1} a+(c1) a+(a0) a+(a1) a-(a2) a-(c0)
-a^{c0}_{c2,a0,a1} b^{c2,a2}_{c1} gamma1^{a1}_{a2} a+(c1) a+(a0) a-(c0)