Пользовательского поиска

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$_______________________________$
$_______________________________$
$____________________$$$________$
$___________________$$$$$_______$
$____________________$$$________$
$____$$$$$$$$$$$$$$$____________$
$___$$$$$$$$$$$$$$$$$$$$$$$_____$
$________________$$$$$$$$$$$____$
$______________$$$$$$$$$$_$$$$__$
$_____________$$$$$$$$$$____$$$_$
$___________$$__$$$$$$____$$$$$_$
$_________$$$$$___$$____$$$$$___$
$________$$$$_$$$$_____$$$$_____$
$______$$$$__$$$$_______$_______$
$_______$__$$$$_________________$
$________$$$$___________________$
$______$$$$$____________________$
$_____$$$$______________________$
$___$$$$___$$$$_________________$
$_$$$$$___$$__$$________________$
$__$$_____$$__$$________________$
$__________$$$__________________$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$