D121213233313223313132322231323132313231333132233132333131331121   >>    D12121323331322331313232223132313231323133313223313233313133112   <<    D121213233313223313132322231323132313231333132233132333131331123   >>      D121213233313223313132322231323132313231333132233132333131331122   >>