Welcome, Again, to the Nostradamus Server!

I am impressed! Your guess that my number begins with 63980349983 was exactly right!
What do you guess are the next two digits of my number?
6398034998300
6398034998301
6398034998302
6398034998303
6398034998304
6398034998305
6398034998306
6398034998307
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6398034998321
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6398034998325
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6398034998330
6398034998331
6398034998332
6398034998333
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6398034998336
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6398034998340
6398034998341
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6398034998360
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