Bloccaggio mm 34,8

      *        *     *****    *****    *****      *     
     **       **    *     *  *     *  *     *    **     
    * *      * *    *     *  *     *  *         * *     
   *  *     *  *     ******   ******  *           *     
  *******  *******        *        *  *           *     
      *        *         *        *   *     *     *     
      *        *     ****     ****     *****   *******