C111123313121111121111331333133313331323231333133313331333131133133313331232211   >>    C11112331312111112111133133313331333132323133313331333133313113313331333123221   <<    C111123313121111121111331333133313331323231333133313331333131133133313331232213   >>      C111123313121111121111331333133313331323231333133313331333131133133313331232212   >>