D121212121213132333131232313232233131323223313232233131111212131   >>    D12121212121313233313123231323223313132322331323223313111121213   <<    D121212121213132333131232313232233131323223313232233131111212133   >>      D121212121213132333131232313232233131323223313232233131111212132   >>