D121213233313223313111323131323133313232211233132313112132333131   >>    D12121323331322331311132313132313331323221123313231311213233313   <<    D121213233313223313111323131323133313232211233132313112132333133   >>      D121213233313223313111323131323133313232211233132313112132333132   >>