C13332313311211113313331333133313133313331333133313113313331333133313222211   >>    C1333231331121111331333133313331313331333133313331311331333133313331322221   <<    C13332313311211113313331333133313133313331333133313113313331333133313222213   >>      C13332313311211113313331333133313133313331333133313113313331333133313222212   >>