Welcome, Again, to the Nostradamus Server!

What do you guess are the next two digits of my number?

• 31990511500
• 31990511501
• 31990511502
• 31990511503
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• 31990511516
• 31990511517
• 31990511518
• 31990511519
• 31990511520
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• 31990511527
• 31990511528
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• 31990511538
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• 31990511551
• 31990511552
• 31990511553
• 31990511554
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• 31990511559
• 31990511560
• 31990511561
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• 31990511571
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• 31990511576
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• 31990511591
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• 31990511596
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• 31990511598
• 31990511599