D33132233232132333132313111123313232233133313231333132312323222221   >>    D3313223323213233313231311112331323223313331323133313231232322222   <<    D33132233232132333132313111123313232233133313231333132312323222223   >>      D33132233232132333132313111123313232233133313231333132312323222222   >>