D121213233313223313111323131323133313132322331323222313231313231111   >>    D12121323331322331311132313132313331313232233132322231323131323111   <<    D121213233313223313111323131323133313132322331323222313231313231113   >>      D121213233313223313111323131323133313132322331323222313231313231112   >>