D23112313233313223313132322331323331323121111331323132313311212131   >>    D2311231323331322331313232233132333132312111133132313231331121213   <<    D23112313233313223313132322331323331323121111331323132313311212133   >>      D23112313233313223313132322331323331323121111331323132313311212132   >>