I decided to go in the morning just after a downpour. So at 7:00 a.m., I was the first one there in queue. With in minutes the queue was stacking.
1-
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hour queue, 1 hour for processing and until receiving stamp.
Tip: Remember to write your phone number, even if it's not asked in the form field.
Otherwise, others may slide in front of you at the kiosk inside as you write it in!