C2221232323213331311331333133313231333132313232111131311211211121   >>    C222123232321333131133133313331323133313231323211113131121121112   <<    C2221232323213331311331333133313231333132313232111131311211211123   >>      C2221232323213331311331333133313231333132313232111131311211211122   >>