D33132233232132333132313111123313232233133313231323223313123121   >>    D3313223323213233313231311112331323223313331323132322331312312   <<    D33132233232132333132313111123313232233133313231323223313123123   >>      D33132233232132333132313111123313232233133313231323223313123122   >>