C2221232323213331311331333133313231333132313221323131212121311111   >>    C222123232321333131133133313331323133313231322132313121212131111   <<    C2221232323213331311331333133313231333132313221323131212121311113   >>      C2221232323213331311331333133313231333132313221323131212121311112   >>