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