 i, x(i)
           1  0.000000000000000E+000
           2  5.000000000000000E-002
           3  0.100000000000000     
           4  0.150000000000000     
           5  0.200000000000000     
           6  0.250000000000000     
           7  0.300000000000000     
           8  0.350000000000000     
           9  0.400000000000000     
          10  0.450000000000000     
          11  0.500000000000000     
          12  0.550000000000000     
          13  0.600000000000000     
          14  0.650000000000000     
          15  0.700000000000000     
          16  0.750000000000000     
          17  0.800000000000000     
          18  0.850000000000000     
          19  0.900000000000000     
          20  0.950000000000000     
          21   1.00000000000000     
