C111123313121111121111331333133313331333133313332233131133112111   >>    C11112331312111112111133133313331333133313331333223313113311211   <<    C111123313121111121111331333133313331333133313332233131133112113   >>      C111123313121111121111331333133313331333133313332233131133112112   >>