D33132233232132333132313111123313232233133313231323133112311211   >>    D3313223323213233313231311112331323223313331323132313311231121   <<    D33132233232132333132313111123313232233133313231323133112311213   >>      D33132233232132333132313111123313232233133313231323133112311212   >>