C111123313121111121111331333133313331333133313331333133312111133132322231121   >>    C11112331312111112111133133313331333133313331333133313331211113313232223112   <<    C111123313121111121111331333133313331333133313331333133312111133132322231123   >>      C111123313121111121111331333133313331333133313331333133312111133132322231122   >>