C111123313121111121111331333133313331333133313331333133112111133112113323231   >>    C11112331312111112111133133313331333133313331333133313311211113311211332323   <<    C111123313121111121111331333133313331333133313331333133112111133112113323233   >>      C111123313121111121111331333133313331333133313331333133112111133112113323232   >>