SET max_block_size = 6, join_algorithm = 'partial_merge';

{% for i in range(4, 16) -%}
SELECT count() == {{ i }}  FROM (SELECT 100 AS s) AS js1 ALL RIGHT JOIN ( SELECT number AS s FROM numbers({{ i }}) ) AS js2 USING (s);
{% endfor -%}

{% for i in range(4, 16) -%}
SELECT count() == {{ i + 1 }}  FROM (SELECT 100 AS s) AS js1 ALL FULL JOIN ( SELECT number AS s FROM numbers({{ i }}) ) AS js2 USING (s);
{% endfor -%}