Julius II in his will had charged Cardinal d'Agen, Lionardo Grossi della Rovere and the Prothonotary Lorenzo Pucci (later on Cardinal de Santi Quatro) to continue the enterprise. He had stipulated that the monument should not be executed in the colossal proportions which were originally determined on. But it does not appear that his executors complied with this request. Michelangelo writes in 1524 "at the death of Pope Julius and the beginning of Leo's reign Aginensis (Cardinal d'Agen) wished to enlarge the monument and to make the work more considerable than was my first design and a contract was made." The sixth of March, 1513, Michelangelo signed what was in effect a new contract by which he pledged himself to execute the monument in seven years and not to undertake any other work of importance till it was finished. He was to receive sixteen thousand five hundred ducats, from which were deducted the three thousand five hundred which had been paid during the life of Julius II.[30] The new plan included thirty-two large statues, and the monument was to be built against the wall of the church. "At each of the three sides were two tabernacles, both containing a group of two figures; in front of each of the pilasters flanking the tabernacles was to be a statue. Between the tabernacles were reliefs in bronze, on the platform above was the statue of the pope supported by four figures and surrounded by six others on pedestals. Finally from the platform was to rise a little sanctuary thirty-four palms high[31] and containing five statues larger in size than the others."[32] [Illustration: THE LIBYAN SIBYL Ceiling of the Sistine Chapel (1508-1512).]