The cells are usually equal in shape and flow in vertical, horizontal or a 2 × 2 cell "square" sequence, depending on the layout requirements of the publication in which they appear.
The cells are usually equal in shape and flow in vertical "square" sequence. This is depending on the layout requirements of the publication in which they appear. The cells are usually equal in shape and flow in horizontal "square" sequence. This is depending on the layout requirements of the publication in which they appear. The cells are usually equal in shape and flow in a 2 × 2 cell "square" sequence. This is depending on the layout requirements of the publication in which they appear.