C2221232323213331311331333133313231333132313232111131111222233311   >>    C222123232321333131133133313331323133313231323211113111122223331   <<    C2221232323213331311331333133313231333132313232111131111222233313   >>      C2221232323213331311331333133313231333132313232111131111222233312   >>