D121213233313223313111323131323133313132322331323231323132333132313311211   >>    D12121323331322331311132313132313331313232233132323132313233313231331121   <<    D121213233313223313111323131323133313132322331323231323132333132313311213   >>      D121213233313223313111323131323133313132322331323231323132333132313311212   >>