D121213233313223313132322231323132313231333132233131323131133111   >>    D12121323331322331313232223132313231323133313223313132313113311   <<    D121213233313223313132322231323132313231333132233131323131133113   >>      D121213233313223313132322231323132313231333132233131323131133112   >>