D33132233232132333132313111123313232233133313231333131323221111   >>    D3313223323213233313231311112331323223313331323133313132322111   <<    D33132233232132333132313111123313232233133313231333131323221113   >>      D33132233232132333132313111123313232233133313231333131323221112   >>