20
18 16 20 11 13 15 12 17 19 14 
14 19 16 11 13 17 12 20 15 18 
15 20 11 13 16 19 14 18 17 12 
17 15 16 12 19 14 18 13 11 20 
13 12 14 18 16 15 19 11 17 20 
16 20 11 17 12 14 15 18 19 13 
11 18 14 12 13 19 16 15 17 20 
12 19 18 16 17 11 14 13 15 20 
16 19 12 14 13 18 17 11 20 15 
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4 7 9 5 1 3 2 8 10 6 
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2 7 6 8 5 1 4 3 10 9 
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