D121212122132313231323233231323223313231323331333131323133313111   >>    D12121212213231323132323323132322331323132333133313132313331311   <<    D121212122132313231323233231323223313231323331333131323133313113   >>      D121212122132313231323233231323223313231323331333131323133313112   >>