var playLevel = "4"; // hard
        var sol  = "861953247237146589945728361678214935512639478394587126489361752123875694756492813";
        var puz  = "  **    * *    *      *  **   **   *  *   * *  *    *     *      ** *  ***  *    ";
        var sNum = "146XBPTPF";