D231123132333132233131323223313231323133313132233132313113311211321   >>    D23112313233313223313132322331323132313331313223313231311331121132   <<    D231123132333132233131323223313231323133313132233132313113311211323   >>      D231123132333132233131323223313231323133313132233132313113311211322   >>