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