text: -- randexpr1.test
  -- 
  -- db eval {SELECT coalesce((select f from t1 where ~coalesce((select max(b-e) from t1 where 13 in (select d from t1 union select d from t1)),(abs(t1.f)/abs(t1.f)))-t1.d+case a when t1.b then 13 else case when 19>case a when t1.a then 13 else  -d end or e<>c then coalesce((select max(a) from t1 where t1.e not between (13) and t1.d),11) when b in (select t1.a from t1 union select t1.f from t1) then 19 else a end end-b>11),17) FROM t1 WHERE b in (select e-17 from t1 union select d from t1)}
  SELECT coalesce((select f from t1 where ~coalesce((select max(b-e) from t1 where 13 in (select d from t1 union select d from t1)),(abs(t1.f)/abs(t1.f)))-t1.d+case a when t1.b then 13 else case when 19>case a when t1.a then 13 else  -d end or e<>c then coalesce((select max(a) from t1 where t1.e not between (13) and t1.d),11) when b in (select t1.a from t1 union select t1.f from t1) then 19 else a end end-b>11),17) FROM t1 WHERE b in (select e-17 from t1 union select d from t1)