C111123313121111121111331333133313331333133313331333133313331311333211331   >>    C11112331312111112111133133313331333133313331333133313331333131133321133   <<    C111123313121111121111331333133313331333133313331333133313331311333211333   >>      C111123313121111121111331333133313331333133313331333133313331311333211332   >>