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