% Knot 8_21p (DHF)
% calculated with knotadjust.f
% lines  a_x(j) b_x(j)  a_y(j)  b_y(j)  a_z(j)  b_z(j)
% corresponding to  x(s) = sum_ja_x(j)cos(js))+b_x(j)sin(js)  etc
    0.000000    0.000000    0.000000
    0.261126    0.128445    0.000000    0.000000    0.010616   -0.040363
    0.000000    0.000000   -0.077860    0.013568    0.000000    0.000000
   -0.214765   -0.200807    0.000000    0.000000   -0.040084    0.020349
    0.000000    0.000000   -0.108179    0.037451    0.000000    0.000000
   -0.012027   -0.029576    0.000000    0.000000    0.058827    0.029847
    0.000000    0.000000    0.014337   -0.011492    0.000000    0.000000
   -0.002975   -0.002294    0.000000    0.000000    0.019173   -0.034634
    0.000000    0.000000    0.002715    0.015421    0.000000    0.000000
   -0.002648   -0.026267    0.000000    0.000000    0.037241   -0.023923
    0.000000    0.000000   -0.013900   -0.001825    0.000000    0.000000