C2221232323213331311331333133313231333132313331333121313232312311111121   >>    C222123232321333131133133313331323133313231333133312131323231231111112   <<    C2221232323213331311331333133313231333132313331333121313232312311111123   >>      C2221232323213331311331333133313231333132313331333121313232312311111122   >>