and(/**/select 1 /**/from(/**/select count(*),/**/concat((/**/select(/**/select /**/unhex(/**/hex(/**/concat(0x217e21,0x4142433134355a511111111111111' union select char(45,120,49,45,81,45),char(45,120,50,45,81,45),char(45,120,51,45,81,45)-- на YouTube: