b1, t, u, v, w, x, y, z, 
b1+y+z-t-w
2*t*w+2*u*z+2*v*y-2*w^2-w-1
-3*t*w^2+3*u^2*z+3*v^2*y+3*w^3+3*w^2-t+4*w
-6*t*w^2+6*v*x*z+6*w^3-3*t*w+6*w^2-t+4*w
4*t*w^3+4*u^3*z+4*v^3*y-4*w^4-6*w^3+4*t*w-10*w^2-w-1
8*t*w^3+8*u*v*x*z-8*w^4+4*t*w^2-12*w^3+4*t*w-14*w^2-3*w-1
12*t*w^3+12*v^2*x*z-12*w^4+12*t*w^2-18*w^3+8*t*w-14*w^2-w-1
-24*t*w^3+24*w^4-24*t*w^2+36*w^3-8*t*w+26*w^2+7*w+1
