D233123313113313113313222332313231323132322331323132211233132333132323132311   >>    D23312331311331311331322233231323132313232233132313221123313233313232313231   <<    D233123313113313113313222332313231323132322331323132211233132333132323132313   >>      D233123313113313113313222332313231323132322331323132211233132333132323132312   >>