C111123313121111121111331333133313331333133313331333133312111133132322313231   >>    C11112331312111112111133133313331333133313331333133313331211113313232231323   <<    C111123313121111121111331333133313331333133313331333133312111133132322313233   >>      C111123313121111121111331333133313331333133313331333133312111133132322313232   >>