No 60 day at the airport, you are going to have to make another international visa run and get a 60 day eventually. Better off just getting the 60 day now and extend another 30 in samui. Will be cheaper to just change your flight. Be careful with those in and outs without a visa. After 5 you get flagged. Make sure you have 20,000, exit flight and your hotel booking info printed out
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