-a^{a0,a2}_{c0,a1} b^{c2,a4}_{c1,a3} c^{}_{} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a+(c1) a-(a0) a-(c2)
-a^{a0,a2}_{c0,a1} b^{c2,a4}_{c1,a3} c^{}_{} lambda2^{a1,a3}_{a2,a4} a+(c0) a+(c1) a-(a0) a-(c2)
-1/2 a^{a2,a3}_{c0,a1} b^{c2,a0}_{c1,a4} c^{}_{} lambda2^{a1,a4}_{a2,a3} a+(c0) a+(c1) a-(a0) a-(c2)
-a^{a1,a3}_{c1,a0} b^{c1,a2}_{c0,a4} c^{}_{} eta1^{a4}_{a3} a+(c0) a+(a0) a-(a2) a-(a1)
-a^{a0,a2}_{c1,a1} b^{c1,a4}_{c0,a3} c^{}_{} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a-(a0)
-a^{a0,a2}_{c1,a1} b^{c1,a4}_{c0,a3} c^{}_{} lambda2^{a1,a3}_{a2,a4} a+(c0) a-(a0)
-1/2 a^{a2,a3}_{c1,a1} b^{c1,a0}_{c0,a4} c^{}_{} lambda2^{a1,a4}_{a2,a3} a+(c0) a-(a0)
+1/2 a^{a0,a1}_{c1,a3} b^{c1,a4}_{c0,a2} c^{}_{} gamma1^{a3}_{a4} a+(c0) a+(a2) a-(a1) a-(a0)