C1111233131211111211113313331333133313331333133313331333133313332331133112111   >>    C111123313121111121111331333133313331333133313331333133313331333233113311211   <<    C1111233131211111211113313331333133313331333133313331333133313332331133112113   >>      C1111233131211111211113313331333133313331333133313331333133313332331133112112   >>