C111123313121111121111331333133313331333131121133133313331333133313311232312111   >>    C11112331312111112111133133313331333133313112113313331333133313331331123231211   <<    C111123313121111121111331333133313331333131121133133313331333133313311232312113   >>      C111123313121111121111331333133313331333131121133133313331333133313311232312112   >>