C111123313331323113313331333133313121111331322211121111133313222331   >>    C11112331333132311331333133313331312111133132221112111113331322233   <<    C111123313331323113313331333133313121111331322211121111133313222333   >>      C111123313331323113313331333133313121111331322211121111133313222332   >>