D121212122132313231323233231323223313231323221333132322132313132313111   >>    D12121212213231323132323323132322331323132322133313232213231313231311   <<    D121212122132313231323233231323223313231323221333132322132313132313113   >>      D121212122132313231323233231323223313231323221333132322132313132313112   >>