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