a.txt

File contents

    2.0774    0.0855
    3.0125    0.2625
    4.7092    0.8010
    2.3049    0.0292
    8.4431    0.9289
    1.9476    0.7303
    2.2592    0.4886
    1.7071    0.5785
    2.2766    0.2373
    4.3570    0.4588
    3.1110    0.9631
    9.2338    0.5468
    4.3021    0.5211
    1.8482    0.2316
    9.0488    0.4889
    9.7975    0.6241
    4.3887    0.6791
    1.1112    0.3955
    2.5806    0.3674
    4.0872    0.9880
    5.9490    0.0377
    2.6221    0.8852
    6.0284    0.9133
    7.1122    0.7962
    2.2175    0.0987
    1.1742    0.2619
    2.9668    0.3354
    3.1878    0.6797
    4.2417    0.1366
    5.0786    0.7212