D33132233232132333132313111123313232233133313231333132313121233131   >>    D3313223323213233313231311112331323223313331323133313231312123313   <<    D33132233232132333132313111123313232233133313231333132313121233133   >>      D33132233232132333132313111123313232233133313231333132313121233132   >>