-1/4 a^{a1}_{a0,v0,v1} b^{a4}_{a2,a3} lambda2^{a2,a3}_{a1,a4} a+(a0) a+(v0) a+(v1)
-1/2 a^{a3}_{a0,v0,v1} b^{a2}_{a1,a4} eta1^{a4}_{a3} a+(a0) a+(a1) a+(v0) a+(v1) a-(a2)
+1/2 a^{a2}_{a1,v0,v1} b^{a4}_{a0,a3} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(a0) a+(v0) a+(v1)
+1/2 a^{a2}_{a1,v0,v1} b^{a4}_{a0,a3} lambda2^{a1,a3}_{a2,a4} a+(a0) a+(v0) a+(v1)
-1/4 a^{a0}_{a3,v0,v1} b^{a4}_{a1,a2} gamma1^{a3}_{a4} a+(a1) a+(a2) a+(v0) a+(v1) a-(a0)