source: database/seeders/RolesPermissionsTableSeeder.php

<?php

namespace Database\Seeders;

use Illuminate\Database\Seeder;

class RolesPermissionsTableSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
        \DB::table('roles_permissions')->insert([
            // Admin
            ["role_id" => 1, "permission_id" => 1],
            ["role_id" => 1, "permission_id" => 2],
            ["role_id" => 1, "permission_id" => 3],
            ["role_id" => 1, "permission_id" => 4],
            ["role_id" => 1, "permission_id" => 5],
            ["role_id" => 1, "permission_id" => 6],
            ["role_id" => 1, "permission_id" => 7],
            ["role_id" => 1, "permission_id" => 8],
            ["role_id" => 1, "permission_id" => 9],
            ["role_id" => 1, "permission_id" => 10],
            ["role_id" => 1, "permission_id" => 11],
            ["role_id" => 1, "permission_id" => 12],

            // Referent
            ["role_id" => 2, "permission_id" => 1],
            ["role_id" => 2, "permission_id" => 3],
            ["role_id" => 2, "permission_id" => 4],
            ["role_id" => 2, "permission_id" => 5],
            ["role_id" => 2, "permission_id" => 6],
            ["role_id" => 2, "permission_id" => 7],
            ["role_id" => 2, "permission_id" => 8],
            ["role_id" => 2, "permission_id" => 11],

            // Viewer
            ["role_id" => 3, "permission_id" => 5],
            ["role_id" => 3, "permission_id" => 6],
            ["role_id" => 3, "permission_id" => 7],
            ["role_id" => 3, "permission_id" => 11],
        ]);
    }
}