C3213322333133313113313221211113313331333131111331322232222312131   >>    C321332233313331311331322121111331333133313111133132223222231213   <<    C3213322333133313113313221211113313331333131111331322232222312133   >>      C3213322333133313113313221211113313331333131111331322232222312132   >>