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