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