D231123132333132233131323223313231323331323121111331323132313222311   >>    D23112313233313223313132322331323132333132312111133132313231322231   <<    D231123132333132233131323223313231323331323121111331323132313222313   >>      D231123132333132233131323223313231323331323121111331323132313222312   >>