D121212122132313231323233231323223313231323221333132333131121111   >>    D12121212213231323132323323132322331323132322133313233313112111   <<    D121212122132313231323233231323223313231323221333132333131121113   >>      D121212122132313231323233231323223313231323221333132333131121112   >>