D121213233313223313132322231323132313231333132233132313232321323132311   >>    D12121323331322331313232223132313231323133313223313231323232132313231   <<    D121213233313223313132322231323132313231333132233132313232321323132313   >>      D121213233313223313132322231323132313231333132233132313232321323132312   >>