sentences:  These vertical elements were balanced by the strong horizontal bands marking the floors, and by the gradual and subtle change of the ornament on each level, representing the three classical orders of architecture.To avoid monotony, the frontons of the windows alternated between triangles and rounded arches.The top floor did not have a high roof "lucarnes", like most other French Renaissance buildings; it was composed instead of alternating windows and sculptural decoration, beneath a new kind of roof, the called a "comble brisé", which had two different angles of slope.