C111123313121111121111331333133313331333131322113121111332331221   >>    C11112331312111112111133133313331333133313132211312111133233122   <<    C111123313121111121111331333133313331333131322113121111332331223   >>      C111123313121111121111331333133313331333131322113121111332331222   >>