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