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