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