1/4 a^{a1}_{a0} b^{c0,c1}_{a2,a3} c^{c4,a4}_{c2,c3} eta1^{a2}_{a1} gamma1^{a3}_{a4} a+(c2) a+(c3) a+(a0) a-(c4) a-(c1) a-(c0)
-1/8 a^{a1}_{a0} b^{c0,c1}_{a2,a3} c^{c4,a4}_{c2,c3} lambda2^{a2,a3}_{a1,a4} a+(c2) a+(c3) a+(a0) a-(c4) a-(c1) a-(c0)
+1/4 a^{a2}_{a1} b^{c0,c1}_{a0,a3} c^{c4,a4}_{c2,c3} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c2) a+(c3) a+(a0) a-(c4) a-(c1) a-(c0)
+1/4 a^{a2}_{a1} b^{c0,c1}_{a0,a3} c^{c4,a4}_{c2,c3} lambda2^{a1,a3}_{a2,a4} a+(c2) a+(c3) a+(a0) a-(c4) a-(c1) a-(c0)