C3213322333133313113313221211113313331333133313112212132312233121331   >>    C321332233313331311331322121111331333133313331311221213231223312133   <<    C3213322333133313113313221211113313331333133313112212132312233121333   >>      C3213322333133313113313221211113313331333133313112212132312233121332   >>