D121213233313223313111323131323133313132322331323231323131323311   >>    D12121323331322331311132313132313331313232233132323132313132331   <<    D121213233313223313111323131323133313132322331323231323131323313   >>      D121213233313223313111323131323133313132322331323231323131323312   >>