D3313221123132313231323233231323223313231323221333132322331311211313111   >>    D331322112313231323132323323132322331323132322133313232233131121131311   <<    D3313221123132313231323233231323223313231323221333132322331311211313113   >>      D3313221123132313231323233231323223313231323221333132322331311211313112   >>