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