D23112313233313223313132322331323132313132313133313232332313231211   >>    D2311231323331322331313232233132313231313231313331323233231323121   <<    D23112313233313223313132322331323132313132313133313232332313231213   >>      D23112313233313223313132322331323132313132313133313232332313231212   >>