C2221232323213331311331333133313231333132313221323131211221333111   >>    C222123232321333131133133313331323133313231322132313121122133311   <<    C2221232323213331311331333133313231333132313221323131211221333113   >>      C2221232323213331311331333133313231333132313221323131211221333112   >>