1/8 a^{}_{a0,a1,a2,a3} b^{a4,a5}_{v0,v1} gamma1^{a3}_{a5} gamma1^{a2}_{a4} a+(a0) a+(a1) a+(v0) a+(v1)
+1/16 a^{}_{a0,a1,a2,a3} b^{a4,a5}_{v0,v1} lambda2^{a2,a3}_{a4,a5} a+(a0) a+(a1) a+(v0) a+(v1)
+1/12 a^{}_{a0,a1,a2,a4} b^{a3,a5}_{v0,v1} gamma1^{a4}_{a5} a+(a0) a+(a1) a+(a2) a+(v0) a+(v1) a-(a3)