Welcome, Again, to the Nostradamus Server!

I am impressed! Your guess that my number begins with 639178156 was exactly right!
What do you guess are the next two digits of my number?
63917815600
63917815601
63917815602
63917815603
63917815604
63917815605
63917815606
63917815607
63917815608
63917815609
63917815610
63917815611
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63917815615
63917815616
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63917815622
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63917815631
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63917815640
63917815641
63917815642
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63917815644
63917815645
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63917815650
63917815651
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63917815654
63917815655
63917815656
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63917815660
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63917815664
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63917815670
63917815671
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63917815680
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63917815699