C11112331312111112111133133313331333133112111111331322331312111   >>    C1111233131211111211113313331333133313311211111133132233131211   <<    C11112331312111112111133133313331333133112111111331322331312113   >>      C11112331312111112111133133313331333133112111111331322331312112   >>