D23112313233313223313132322331323132313132313133313232332313231323121   >>    D2311231323331322331313232233132313231313231313331323233231323132312   <<    D23112313233313223313132322331323132313132313133313232332313231323123   >>      D23112313233313223313132322331323132313132313133313232332313231323122   >>