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