C3213322333133313113313221211113313331333132313231333131212132332112121111   >>    C321332233313331311331322121111331333133313231323133313121213233211212111   <<    C3213322333133313113313221211113313331333132313231333131212132332112121113   >>      C3213322333133313113313221211113313331333132313231333131212132332112121112   >>