C111123313121111121111331333133313331333131121133133313331333133313331311112211   >>    C11112331312111112111133133313331333133313112113313331333133313331333131111221   <<    C111123313121111121111331333133313331333131121133133313331333133313331311112213   >>      C111123313121111121111331333133313331333131121133133313331333133313331311112212   >>