D121212122132313231323233231323223313231323221333131323132322111   >>    D12121212213231323132323323132322331323132322133313132313232211   <<    D121212122132313231323233231323223313231323221333131323132322113   >>      D121212122132313231323233231323223313231323221333131323132322112   >>