x={
 ( 0.000000 0.000000 )
 ( 0.500000 0.333333 )
 ( 0.250000 0.666667 )
 ( 0.750000 0.111111 )
 ( 0.125000 0.444444 )
 ( 0.625000 0.777778 )
 ( 0.375000 0.222222 )
 ( 0.875000 0.555556 )
 ( 0.062500 0.888889 )
 ( 0.562500 0.037037 )
}

s=2, epsilon=0.001000, n=10
D_n^*(x) between 0.2666666667 and 0.2674430322