$x_start = '9';

$x_koniec = '29';

$y_start = '6';

$y_koniec = '26';

i

SELECT x,y FROM `table` WHERE x BETWEEN '$x_start' AND '$x_koniec' AND y BETWEEN '$y_start' AND '$y_koniec'

a tabele tworzę w ten sposób:

mysql_query('

CREATE TABLE `table` (

`id` INT NOT NULL AUTO_INCREMENT ,

`x ...