1/2 a^{a0}_{a1} b^{v0}_{a2} c^{a3,a4}_{c0,c1} gamma1^{a2}_{a4} gamma1^{a1}_{a3} a+(c0) a+(c1) a-(v0) a-(a0)
+1/4 a^{a0}_{a1} b^{v0}_{a2} c^{a3,a4}_{c0,c1} lambda2^{a1,a2}_{a3,a4} a+(c0) a+(c1) a-(v0) a-(a0)
-1/2 a^{a2}_{a1} b^{v0}_{a3} c^{a0,a4}_{c0,c1} eta1^{a3}_{a2} gamma1^{a1}_{a4} a+(c0) a+(c1) a-(v0) a-(a0)
-1/2 a^{a2}_{a1} b^{v0}_{a3} c^{a0,a4}_{c0,c1} lambda2^{a1,a3}_{a2,a4} a+(c0) a+(c1) a-(v0) a-(a0)