20
15 13 14 18 19 20 12 17 11 16 
15 17 12 13 19 14 20 18 16 11 
17 18 19 15 12 16 14 13 20 11 
18 20 19 14 11 17 13 12 15 16 
20 12 13 15 16 17 14 19 18 11 
13 17 12 16 11 15 19 14 18 20 
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18 14 15 11 20 16 17 19 13 12 
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