Input (grade 13): Cyrus (or his generals) devised a plan to use the Euphrates as the mode of entry to the city, ordering large camps of troops at each point and instructed them to wait for the signal.
Output (grade 5): Cyrus devised a plan to use the Euphrates as the mode of entry to the city. He ordered large camps of troops at each point and instructed them to wait for the signal.