Welcome, Again, to the Nostradamus Server!

I am impressed! Your guess that my number begins with 664420405 was exactly right!
What do you guess are the next two digits of my number?
66442040500
66442040501
66442040502
66442040503
66442040504
66442040505
66442040506
66442040507
66442040508
66442040509
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66442040599