C2221232323213331311331333133313231333132313221323131212121132111321   >>    C222123232321333131133133313331323133313231322132313121212113211132   <<    C2221232323213331311331333133313231333132313221323131212121132111323   >>      C2221232323213331311331333133313231333132313221323131212121132111322   >>