D231123132333132233131323223313233313231323121111331313132311331   >>    D23112313233313223313132322331323331323132312111133131313231133   <<    D231123132333132233131323223313233313231323121111331313132311333   >>      D231123132333132233131323223313233313231323121111331313132311332   >>