D33132233232132333132313111123313232233133313231333132311331211   >>    D3313223323213233313231311112331323223313331323133313231133121   <<    D33132233232132333132313111123313232233133313231333132311331213   >>      D33132233232132333132313111123313232233133313231333132311331212   >>