D231123132333132233131323223313231323133313132233132313231231111   >>    D23112313233313223313132322331323132313331313223313231323123111   <<    D231123132333132233131323223313231323133313132233132313231231113   >>      D231123132333132233131323223313231323133313132233132313231231112   >>