30
29 20 16 28 21 30 27 24 26 19 17 18 22 25 23 
27 16 18 19 30 25 29 21 17 20 23 24 22 26 28 
18 21 27 28 29 23 20 17 25 19 16 22 26 24 30 
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20 27 28 21 23 25 26 29 30 24 18 16 17 19 22 
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