D1211222132333132233132313221123313231313233231323223313232233131   >>    D121122213233313223313231322112331323131323323132322331323223313   <<    D1211222132333132233132313221123313231313233231323223313232233133   >>      D1211222132333132233132313221123313231313233231323223313232233132   >>