C111123313121111121111331333133313331323231333133313331121213331   >>    C11112331312111112111133133313331333132323133313331333112121333   <<    C111123313121111121111331333133313331323231333133313331121213333   >>      C111123313121111121111331333133313331323231333133313331121213332   >>