functions.php

// Registers front-page widget areas.
for ( $i = 1; $i <= 4; $i++ ) {
    genesis_register_widget_area(
        array(
            'id'          => "front-page-{$i}",
            'name'        => __( "Front Page {$i}", 'genesis-sample' ),
            'description' => __( "This is the front page {$i} section.", 'genesis-sample' ),
        )
    );
}