D121213233313223313132322231323132322132313232233131133132333131323121   >>    D12121323331322331313232223132313232213231323223313113313233313132312   <<    D121213233313223313132322231323132322132313232233131133132333131323123   >>      D121213233313223313132322231323132322132313232233131133132333131323122   >>