1/4 a^{v1,v2}_{c0,v0} b^{c0}_{a1} c^{a3,a4}_{a0,a2} lambda2^{a1,a2}_{a3,a4} a+(a0) a+(v0) a-(v2) a-(v1)
+1/4 a^{v1,v2}_{c0,v0} b^{c1}_{a1} c^{a3,a4}_{a0,a2} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(a0) a+(v0) a-(v2) a-(v1) a-(c1)
+1/4 a^{v1,v2}_{c0,v0} b^{c0}_{a3} c^{a2,a4}_{a0,a1} gamma1^{a3}_{a4} a+(a0) a+(a1) a+(v0) a-(v2) a-(v1) a-(a2)