D121212121213132333132323132313231232313232233131133131323221131   >>    D12121212121313233313232313231323123231323223313113313132322113   <<    D121212121213132333132323132313231232313232233131133131323221133   >>      D121212121213132333132323132313231232313232233131133131323221132   >>