C11112331312111112111133133313331333133313331333133313331333121111132131   >>    C1111233131211111211113313331333133313331333133313331333133312111113213   <<    C11112331312111112111133133313331333133313331333133313331333121111132133   >>      C11112331312111112111133133313331333133313331333133313331333121111132132   >>