D23112313233313223313132322331323331323121111331323132313211311   >>    D2311231323331322331313232233132333132312111133132313231321131   <<    D23112313233313223313132322331323331323121111331323132313211313   >>      D23112313233313223313132322331323331323121111331323132313211312   >>