Moscow metro lost pages

SQL

# 7216752, 10069356, 10099658, 21855
select pl_title from pagelinks
where pl_from = 10099658
and not pl_namespace
and not pl_title in
(select page_title from page
 where page_id in
 (select tl_from from templatelinks
  where tl_target_id = 21855)
 and not page_namespace);
select page_title from page
where page_id in
(select tl_from from templatelinks
 where tl_target_id = 21855)
and not page_namespace
and not page_title in
(select pl_title from pagelinks
 where pl_from = 10099658
 and not pl_namespace)
SQL

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