wierd the outer ring does not touch the rings on the inside but somehow the spark travels through the air.		
				
			
					
	 
	
	
	
	Comments
		
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			It makes building small spark mazes tricky. But you can alternate ordinary conductors with INSL to run wires closer without jumping. 
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			thanks i didnt know that beforehand 
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			Sorry, that's normal SPRK can jump any one-pixel gap - straight or diagonal - not blocked by INSL.