C2221232323213331311331333133313231333132313221323131212122233311   >>    C222123232321333131133133313331323133313231322132313121212223331   <<    C2221232323213331311331333133313231333132313221323131212122233313   >>      C2221232323213331311331333133313231333132313221323131212122233312   >>