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