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