D121213233313223313132322231323132322132313232233131133132312231   >>    D12121323331322331313232223132313232213231323223313113313231223   <<    D121213233313223313132322231323132322132313232233131133132312233   >>      D121213233313223313132322231323132322132313232233131133132312232   >>