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