D121213233313223313132322231323132313112211232233132333133112111133132212331   >>    D12121323331322331313232223132313231311221123223313233313311211113313221233   <<    D121213233313223313132322231323132313112211232233132333133112111133132212333   >>      D121213233313223313132322231323132313112211232233132333133112111133132212332   >>