GRB20040220 
00:55:10.310 
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    547.5000000      0.5208333
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    607.5000000      0.0000000
    637.5000000      0.5208333
    667.5000000      1.0416667
    727.5000000      0.2604167
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    967.5000000      0.7812500
   1027.5000000      0.5208333
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   6456.6400000      0.0000000
   6772.4800000      0.0494713
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   9172.8600000      0.0824517