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