location rules.php

<?php 
'location' => array(
		array(
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'pages'
			),
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'archives'
			),
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'recent-comments'
			),
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'rss'
			),
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'meta'
			),
			array(
			  'param' => 'widget',
			  'op' => '==',
			  'value' => 'search'
			),
			// You get the idea 
			// Add a new array for each WP widget
		)
	) 
?>