1/2 a^{a3,v1}_{a0,v0} b^{}_{} c^{a1,a2}_{a4,v1} eta1^{a4}_{a3} a+(a0) a+(v0) a-(a2) a-(a1)
+1/2 a^{a0,v1}_{a1,v0} b^{}_{} c^{a3,a4}_{a2,v1} lambda2^{a1,a2}_{a3,a4} a+(v0) a-(a0)
-1/2 a^{a0,v1}_{a1,v0} b^{}_{} c^{a3,a4}_{a2,v2} lambda2^{a1,a2}_{a3,a4} a+(v0) a+(v2) a-(v1) a-(a0)
-a^{a2,v1}_{a1,v0} b^{}_{} c^{a0,a4}_{a3,v1} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(v0) a-(a0)
-a^{a2,v1}_{a1,v0} b^{}_{} c^{a0,a4}_{a3,v1} lambda2^{a1,a3}_{a2,a4} a+(v0) a-(a0)
+a^{a2,v1}_{a1,v0} b^{}_{} c^{a0,a4}_{a3,v2} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(v0) a+(v2) a-(v1) a-(a0)
+a^{a2,v1}_{a1,v0} b^{}_{} c^{a0,a4}_{a3,v2} lambda2^{a1,a3}_{a2,a4} a+(v0) a+(v2) a-(v1) a-(a0)
+a^{a0,v1}_{a3,v0} b^{}_{} c^{a2,a4}_{a1,v1} gamma1^{a3}_{a4} a+(a1) a+(v0) a-(a2) a-(a0)