1/2 a^{a0,v0}_{a1,a2} b^{c2,a3}_{c0,c1} c^{a4}_{c3} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c0) a+(c1) a+(c3) a-(v0) a-(a0) a-(c2)
+1/4 a^{a0,v0}_{a1,a2} b^{c2,a3}_{c0,c1} c^{a4}_{c3} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(c3) a-(v0) a-(a0) a-(c2)
-1/4 a^{a3,v0}_{a1,a2} b^{c2,a0}_{c0,c1} c^{a4}_{c3} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(c3) a-(v0) a-(a0) a-(c2)
+1/4 a^{a3,v0}_{a1,a2} b^{c2,a4}_{c0,c1} c^{a0}_{c3} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a+(c3) a-(v0) a-(a0) a-(c2)