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data a b c d e tag
2009-11-01 11 0 1 11 21 0
2009-12-01 11 0 21 11 21 0
2010-01-01 0 2 2 1 11 0
2009-11-01 1 1 1 0 0 1
2009-12-01 2 3 0 0 0 1
2010-01-01 22 4 12 0 0 1
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tag 2009-11-01 2009-12-01 2010-01-01
0 44 64 16
1 4 6 39
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begin
close;
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