(CNN) Sitting on a nine-hour flight from Thailand to Australia can be uncomfortable at the best of times.

Now imagine doing that with 110 bags of drugs hidden in your digestive tract.

A 48-year-old Australian man smuggling 1.1 kilograms (2.4 pounds) of cocaine in his stomach admitted he was carrying the drugs to police at Sydney Airport, shortly after arriving on a flight from Thailand on September 1.

The man, who lives in Thailand, had passed a baggage examination when he told police he had ingested a large number of packets filled with cocaine.

An Australian Federal Police spokeswoman told CNN they were unable to confirm details of the discussion between the man and officials.

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