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