GRB20010721 
03:56:51.432 
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     33.1200000     87.5000000
     35.6200000    118.7500000
     38.1200000    106.2500000
     40.6200000    137.5000000
     43.1200000     87.5000000
     45.6200000     75.0000000
     48.1200000    100.0000000
     50.6200000     87.5000000
     53.1200000     81.2500000
     55.6200000     40.6250000
     60.6200000     65.6250000
     65.6200000     56.2500000
     70.6200000     59.3750000
     75.6200000     43.7500000
     80.6200000     68.7500000
     85.6200000     71.8750000
     90.6200000     46.8750000
     95.6200000     43.7500000
    100.6200000     43.7500000
    108.1200000     33.3333333
    115.6200000     25.0000000
    123.1200000     35.4166667
    130.6200000     27.0833333
    138.1200000     22.9166667
    145.6200000     25.0000000
    153.1200000     25.0000000
    160.6200000     12.5000000
    170.6200000     15.6250000
    180.6200000     21.8750000
    190.6200000     23.4375000
    200.6200000     23.9583333
    215.6200000      7.2916667
    230.6200000     15.6250000
    245.6200000     11.4583333
    260.6200000     37.5000000
    265.6200000      5.0000000
    290.6200000     11.7187500
    310.6200000      7.8125000
    330.6200000      4.6875000
    350.6200000      6.2500000
    370.6200000      7.0312500
    390.6200000      6.8750000
    415.6200000      5.0000000
    440.6200000      6.8750000
    465.6200000      4.3750000
    490.6200000      4.3750000
    515.6200000      3.1250000
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    615.6200000      5.0000000
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    670.6200000      2.0833333
    700.6200000      2.0833333
    730.6200000      1.0416667