D33132233232132333132313111123313232233133313231323133313232213121   >>    D3313223323213233313231311112331323223313331323132313331323221312   <<    D33132233232132333132313111123313232233133313231323133313232213123   >>      D33132233232132333132313111123313232233133313231323133313232213122   >>