C3213322333133313113313221211113313331333131111331322222222123121   >>    C321332233313331311331322121111331333133313111133132222222212312   <<    C3213322333133313113313221211113313331333131111331322222222123123   >>      C3213322333133313113313221211113313331333131111331322222222123122   >>