-1/12 a^{c0,a0,a1,v0}_{} b^{}_{a2,a3,a4,v0} a+(a2) a+(a3) a+(a4) a-(a1) a-(a0) a-(c0)
+1/2 a^{c0,a0,a3,v0}_{} b^{}_{a1,a2,a4,v0} eta1^{a4}_{a3} a+(a1) a+(a2) a-(a0) a-(c0)
-1/2 a^{c0,a0,a3,v0}_{} b^{}_{a1,a2,a4,v1} eta1^{a4}_{a3} a+(a1) a+(a2) a+(v1) a-(v0) a-(a0) a-(c0)
-1/2 a^{c0,a1,a2,v0}_{} b^{}_{a0,a3,a4,v0} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a-(c0)
-1/4 a^{c0,a1,a2,v0}_{} b^{}_{a0,a3,a4,v0} lambda2^{a3,a4}_{a1,a2} a+(a0) a-(c0)
+1/2 a^{c0,a1,a2,v0}_{} b^{}_{a0,a3,a4,v1} eta1^{a4}_{a2} eta1^{a3}_{a1} a+(a0) a+(v1) a-(v0) a-(c0)
+1/4 a^{c0,a1,a2,v0}_{} b^{}_{a0,a3,a4,v1} lambda2^{a3,a4}_{a1,a2} a+(a0) a+(v1) a-(v0) a-(c0)