D121213233313223313132322231323132313112211232233132333133112111133132211   >>    D12121323331322331313232223132313231311221123223313233313311211113313221   <<    D121213233313223313132322231323132313112211232233132333133112111133132213   >>      D121213233313223313132322231323132313112211232233132333133112111133132212   >>