If the sequences ended then the sum could defined in terms of starting with the rightmost digits and expressing the sum in terms of the carry operation

Can you repeat this sentence, but add in punctuation?
If the sequences ended then the sum could defined in terms of starting with the right-most digits and expressing the sum in terms of the carry operation.
Therefore avoid meals out we made the purchase in the supermarket and had dinner at the apartment also the breakfast

Can you repeat this sentence, but add in punctuation?
Therefore avoid meals out, we made the purchase in the supermarket and had dinner at the apartment, also the breakfast.
Perhaps they dream of becoming as prosperous neighbouring island of Kish holiday destination for tourists of all nationalities the Mayan Riviera of the East

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Perhaps they dream of becoming as prosperous neighbouring island of Kish, holiday destination for tourists of all nationalities, the Mayan Riviera of the East.