C111123313121111121111331333133313331333133313331333133312111133132231332311   >>    C11112331312111112111133133313331333133313331333133313331211113313223133231   <<    C111123313121111121111331333133313331333133313331333133312111133132231332313   >>      C111123313121111121111331333133313331333133313331333133312111133132231332312   >>