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