1/8 a^{c0,c1}_{a1,a2} b^{a0}_{c2} c^{a3,a4}_{c3,c4} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c2) a+(c3) a+(c4) a-(a0) a-(c1) a-(c0)
+1/16 a^{c0,c1}_{a1,a2} b^{a0}_{c2} c^{a3,a4}_{c3,c4} lambda2^{a1,a2}_{a3,a4} a+(c2) a+(c3) a+(c4) a-(a0) a-(c1) a-(c0)
-1/4 a^{c0,c1}_{a1,a2} b^{a3}_{c2} c^{a0,a4}_{c3,c4} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c2) a+(c3) a+(c4) a-(a0) a-(c1) a-(c0)
-1/8 a^{c0,c1}_{a1,a2} b^{a3}_{c2} c^{a0,a4}_{c3,c4} lambda2^{a1,a2}_{a3,a4} a+(c2) a+(c3) a+(c4) a-(a0) a-(c1) a-(c0)