	 10  \n
	 10  \n
	 92  {
	 10  \n
	  9  \t
	 10  \n
	 10  \n
	  9  \t
	 92  {
	 10  \n
	  9  \t
	  9  \t
	 10  \n
	  9  \t
	  9  \t
	 10  \n
	  9  \t
	 93  }
	 10  \n
	 10  \n
	  9  \t
	 92  {
	 10  \n
	  9  \t
	  9  \t
	 10  \n
	  9  \t
	  9  \t
	 94  MINUS
	 10  \n
	  9  \t
	 93  }
	 10  \n
	 93  }
	 10  \n
	 10  \n
