C111123313121111121111331333133313221333131121211113313232313131   >>    C11112331312111112111133133313331322133313112121111331323231313   <<    C111123313121111121111331333133313221333131121211113313232313133   >>      C111123313121111121111331333133313221333131121211113313232313132   >>