D121213233313223313132322231323132322132313232233131133132333131231311   >>    D12121323331322331313232223132313232213231323223313113313233313123131   <<    D121213233313223313132322231323132322132313232233131133132333131231313   >>      D121213233313223313132322231323132322132313232233131133132333131231312   >>