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