C3213322333133313113313221211113313331333132313231333131212132313112212123221   >>    C321332233313331311331322121111331333133313231323133313121213231311221212322   <<    C3213322333133313113313221211113313331333132313231333131212132313112212123223   >>      C3213322333133313113313221211113313331333132313231333131212132313112212123222   >>