Welcome, Again, to the Nostradamus Server!

I am impressed! Your guess that my number begins with 4172215 was exactly right!
What do you guess are the next two digits of my number?
417221500
417221501
417221502
417221503
417221504
417221505
417221506
417221507
417221508
417221509
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417221515
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417221531
417221532
417221533
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417221536
417221537
417221538
417221539
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417221541
417221542
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417221544
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417221568
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417221572
417221573
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417221594
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417221596
417221597
417221598
417221599