C111123313121111121111331333133313331323231333133313331121211111223311   >>    C11112331312111112111133133313331333132323133313331333112121111122331   <<    C111123313121111121111331333133313331323231333133313331121211111223313   >>      C111123313121111121111331333133313331323231333133313331121211111223312   >>