1/4 a^{c0,a2}_{a0,a1} b^{a3}_{c1} c^{c3,c4}_{c2,v0} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(c2) a+(v0) a-(c4) a-(c3) a-(c0)
+1/2 a^{c0,a2}_{a0,a1} b^{a3}_{c3} c^{c2,c3}_{c1,v0} lambda2^{a0,a1}_{a2,a3} a+(c1) a+(v0) a-(c2) a-(c0)
-a^{c0,a1}_{a0,a2} b^{a3}_{c3} c^{c2,c3}_{c1,v0} gamma1^{a2}_{a3} a+(c1) a+(a0) a+(v0) a-(a1) a-(c2) a-(c0)