D231123132333132233131323223313231323132322113313233313231333131231   >>    D23112313233313223313132322331323132313232211331323331323133313123   <<    D231123132333132233131323223313231323132322113313233313231333131233   >>      D231123132333132233131323223313231323132322113313233313231333131232   >>