C3213322333133313113313221211113313331333133313121121123222231131   >>    C321332233313331311331322121111331333133313331312112112322223113   <<    C3213322333133313113313221211113313331333133313121121123222231133   >>      C3213322333133313113313221211113313331333133313121121123222231132   >>