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