C3213322333133313113313221211113313331333132322333232223123121133211   >>    C321332233313331311331322121111331333133313232233323222312312113321   <<    C3213322333133313113313221211113313331333132322333232223123121133213   >>      C3213322333133313113313221211113313331333132322333232223123121133212   >>