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