C11112331312111112111133133313331333133313133313331121133132322331   >>    C1111233131211111211113313331333133313331313331333112113313232233   <<    C11112331312111112111133133313331333133313133313331121133132322333   >>      C11112331312111112111133133313331333133313133313331121133132322332   >>