C11112331312111112111133133313331322133313112121111331323331333132222331   >>    C1111233131211111211113313331333132213331311212111133132333133313222233   <<    C11112331312111112111133133313331322133313112121111331323331333132222333   >>      C11112331312111112111133133313331322133313112121111331323331333132222332   >>