C2221232323213331311331333133313231333132313221323131212121112212331   >>    C222123232321333131133133313331323133313231322132313121212111221233   <<    C2221232323213331311331333133313231333132313221323131212121112212333   >>      C2221232323213331311331333133313231333132313221323131212121112212332   >>