D33132233232132333132313111123313232233133313231323133313231322221231   >>    D3313223323213233313231311112331323223313331323132313331323132222123   <<    D33132233232132333132313111123313232233133313231323133313231322221233   >>      D33132233232132333132313111123313232233133313231323133313231322221232   >>