C13332313311211113313331333133313331322333133313331333133313233113313121   >>    C1333231331121111331333133313331333132233313331333133313331323311331312   <<    C13332313311211113313331333133313331322333133313331333133313233113313123   >>      C13332313311211113313331333133313331322333133313331333133313233113313122   >>