D33132233232132333132313111123313232233133313231323133313232212313221   >>    D3313223323213233313231311112331323223313331323132313331323221231322   <<    D33132233232132333132313111123313232233133313231323133313232212313223   >>      D33132233232132333132313111123313232233133313231323133313232212313222   >>