1	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	8	 
	 	 	 	 	 	 	 	2	 
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	 	1