a^{}_{} b^{c1,a1}_{c0,a0} c^{c3,a3}_{c2,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c0) a+(c2) a-(c3) a-(c1)
+a^{}_{} b^{c1,a1}_{c0,a0} c^{c3,a3}_{c2,a2} lambda2^{a0,a2}_{a1,a3} a+(c0) a+(c2) a-(c3) a-(c1)
-a^{}_{} b^{c0,a1}_{c2,a0} c^{c2,a3}_{c1,a2} eta1^{a2}_{a1} gamma1^{a0}_{a3} a+(c1) a-(c0)
-a^{}_{} b^{c0,a1}_{c2,a0} c^{c2,a3}_{c1,a2} lambda2^{a0,a2}_{a1,a3} a+(c1) a-(c0)
-a^{}_{} b^{c0,a2}_{c2,a0} c^{c2,a1}_{c1,a3} eta1^{a3}_{a2} a+(c1) a+(a0) a-(a1) a-(c0)
+a^{}_{} b^{c0,a0}_{c2,a2} c^{c2,a3}_{c1,a1} gamma1^{a2}_{a3} a+(c1) a+(a1) a-(a0) a-(c0)