1/2 a^{c1,c2}_{c0,a1} b^{a0,a3}_{a2,v0} c^{a4}_{v1} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c0) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1)
+1/2 a^{c1,c2}_{c0,a1} b^{a0,a3}_{a2,v0} c^{a4}_{v1} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1)
+1/4 a^{c1,c2}_{c0,a1} b^{a3,a4}_{a2,v0} c^{a0}_{v1} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(v0) a+(v1) a-(a0) a-(c2) a-(c1)