D121213233313223313132322231323132313231333132233132313232111311   >>    D12121323331322331313232223132313231323133313223313231323211131   <<    D121213233313223313132322231323132313231333132233132313232111313   >>      D121213233313223313132322231323132313231333132233132313232111312   >>