D132312121111331313231232313232233132333132322223313231333132323232311   >>    D13231212111133131323123231323223313233313232222331323133313232323231   <<    D132312121111331313231232313232233132333132322223313231333132323232313   >>      D132312121111331313231232313232233132333132322223313231333132323232312   >>