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