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					|  |  |  | #ignore |  |  |  | #ignore | 
			
		
	
		
		
			
				
					
					|  |  |  | tests recursive meta composition, z-level manipulation, and repeat up/down |  |  |  | tests recursive meta composition, z-level manipulation, transformations, and | 
			
				
				
			
		
	
		
		
	
		
		
			
				
					
					|  |  |  |  |  |  |  | repeat up/down | 
			
		
	
		
		
			
				
					
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					|  |  |  | #dig label(center_tile) hidden() |  |  |  | #dig label(center_tile) start(2 2) hidden() | 
			
				
				
			
		
	
		
		
	
		
		
			
				
					
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					|  |  |  | ,d, |  |  |  | ,d, | 
			
		
	
		
		
			
				
					
					|  |  |  | #dig label(even_up) hidden() |  |  |  | #dig label(even_up) start(2 2) hidden() | 
			
				
				
			
		
	
		
		
	
		
		
			
				
					
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					|  |  |  | u,,u |  |  |  | u,,u | 
			
		
	
		
		
			
				
					
					|  |  |  | #dig label(even_down) hidden() |  |  |  | #dig label(even_down) start(2 2) hidden() | 
			
				
				
			
		
	
		
		
	
		
		
			
				
					
					|  |  |  | ,j |  |  |  | ,j | 
			
		
	
		
		
			
				
					
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					|  |  |  | ,j |  |  |  | ,j | 
			
		
	
		
		
			
				
					
					|  |  |  | #meta label(even) hidden() |  |  |  | #meta label(even) hidden() | 
			
		
	
		
		
			
				
					
					|  |  |  | /even_up |  |  |  | /even_up | 
			
		
	
		
		
			
				
					
					|  |  |  | /even_down |  |  |  | /even_down | 
			
		
	
		
		
			
				
					
					|  |  |  | #dig label(odd_up) hidden() |  |  |  |  | 
			
		
	
		
		
			
				
					
					|  |  |  | ,u |  |  |  |  | 
			
		
	
		
		
			
				
					
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					|  |  |  | ,u |  |  |  |  | 
			
		
	
		
		
			
				
					
					|  |  |  | #dig label(odd_down) hidden() |  |  |  |  | 
			
		
	
		
		
			
				
					
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					|  |  |  | j,,j |  |  |  |  | 
			
		
	
		
		
			
				
					
					|  |  |  | #meta label(odd) hidden() |  |  |  | #meta label(odd) hidden() | 
			
		
	
		
		
			
				
					
					|  |  |  | /odd_up |  |  |  | /even transform(rotcw) | 
			
				
				
			
		
	
		
		
			
				
					
					|  |  |  | /odd_down |  |  |  |  | 
			
		
	
		
		
	
		
		
			
				
					
					|  |  |  | #meta label(twoz) hidden() |  |  |  | #meta label(twoz) hidden() | 
			
		
	
		
		
			
				
					
					|  |  |  | /even |  |  |  | /even | 
			
		
	
		
		
			
				
					
					|  |  |  | #> |  |  |  | #> | 
			
		
	
	
		
		
			
				
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