D121212121213132333132323132313231232313232233131133132333131121   >>    D12121212121313233313232313231323123231323223313113313233313112   <<    D121212121213132333132323132313231232313232233131133132333131123   >>      D121212121213132333132323132313231232313232233131133132333131122   >>