D1131323223313113313123132313231323331323221122112111133132313231333223311   >>    D113132322331311331312313231323132333132322112211211113313231323133322331   <<    D1131323223313113313123132313231323331323221122112111133132313231333223313   >>      D1131323223313113313123132313231323331323221122112111133132313231333223312   >>