1/6 a^{a1,a2,a3}_{a0} b^{}_{a4,a5,a6,v0} eta1^{a6}_{a3} eta1^{a5}_{a2} eta1^{a4}_{a1} a+(a0) a+(v0)
+1/4 a^{a1,a2,a3}_{a0} b^{}_{a4,a5,a6,v0} eta1^{a6}_{a3} lambda2^{a4,a5}_{a1,a2} a+(a0) a+(v0)
-1/36 a^{a1,a2,a3}_{a0} b^{}_{a4,a5,a6,v0} lambda3^{a4,a5,a6}_{a1,a2,a3} a+(a0) a+(v0)
+1/4 a^{a1,a2,a5}_{a0} b^{}_{a3,a4,a6,v0} eta1^{a6}_{a5} a+(a0) a+(a3) a+(a4) a+(v0) a-(a2) a-(a1)
+1/2 a^{a1,a3,a4}_{a0} b^{}_{a2,a5,a6,v0} eta1^{a6}_{a4} eta1^{a5}_{a3} a+(a0) a+(a2) a+(v0) a-(a1)
+1/4 a^{a1,a3,a4}_{a0} b^{}_{a2,a5,a6,v0} lambda2^{a5,a6}_{a3,a4} a+(a0) a+(a2) a+(v0) a-(a1)
-1/2 a^{a2,a3,a4}_{a1} b^{}_{a0,a5,a6,v0} eta1^{a6}_{a4} lambda2^{a1,a5}_{a2,a3} a+(a0) a+(v0)
+1/12 a^{a2,a3,a4}_{a1} b^{}_{a0,a5,a6,v0} lambda3^{a1,a5,a6}_{a2,a3,a4} a+(a0) a+(v0)
+1/4 a^{a0,a4,a5}_{a3} b^{}_{a1,a2,a6,v0} lambda2^{a3,a6}_{a4,a5} a+(a1) a+(a2) a+(v0) a-(a0)