C3213322333133313113313221211113313331333133313112212132312233121121   >>    C321332233313331311331322121111331333133313331311221213231223312112   <<    C3213322333133313113313221211113313331333133313112212132312233121123   >>      C3213322333133313113313221211113313331333133313112212132312233121122   >>