| 
        Line 1
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    | Top Arc? | 
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        Line 2
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
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        Line 3
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
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        Line 4
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 5
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 6
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 7
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 8
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 9
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 10
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 11
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 12
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 13
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 14
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 15
         |  |  |  |  |  |  | 
				
    | Top Arc? | 
					| 
        Line 16
         |  |  |  |  |  |  | 
				
    | Top Arc? |