Input (grade 13): The last Maya states, the Itza polity of Tayasal and the Ko 'woj city of Zacpeten, were continuously occupied and remained independent of the Spanish until late in the 17th century.
Output (grade 8): The last Maya states, the Itza city of Tayasal and the Ko 'woj city of Zacpeten, were continuously occupied. They remained independent of the Spanish until late in the 17th century.