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