D121212121213132333131232313232233131323223313231322331312323132211   >>    D12121212121313233313123231323223313132322331323132233131232313221   <<    D121212121213132333131232313232233131323223313231322331312323132213   >>      D121212121213132333131232313232233131323223313231322331312323132212   >>