D231123132333132233131323223313233313231211113313231323133311211331   >>    D23112313233313223313132322331323331323121111331323132313331121133   <<    D231123132333132233131323223313233313231211113313231323133311211333   >>      D231123132333132233131323223313233313231211113313231323133311211332   >>