C111123313121111121111331333133313331323231333133313113313113313233112321331211   >>    C11112331312111112111133133313331333132323133313331311331311331323311232133121   <<    C111123313121111121111331333133313331323231333133313113313113313233112321331213   >>      C111123313121111121111331333133313331323231333133313113313113313233112321331212   >>